Calculus Help: Limits 1

[muchogustobradley]

Wow

[omarAkhan92]

i though delta was a triangle??

[tcs4duke]

what a jackass

[Diamorfiend85]

Thanks for posting vids.

[turnitblue2cam]

.....the fuck



[SuperSmackintosh]

There wasn't an adequate description about what delta and epsalon were. Is there an equation I can follow or something?? I'm more confused than before. :(

[anakmudajaman]

I Love The Video It Can Increase My Knowledge You can help keep the videos under the Videos by Topic tab at mathtv.com free by clicking on any of the Amazon

[AntoMelta]

Good, I like that you share this video, I wish success always You can help keep the videos under the Videos

[willamricard]

Nice Video You can help keep the videos under the Videos That You Share , So Very Nice Thanks You

[imegatrone]

I Really Like The Video You can help keep the videos under the Videos by Topic tab at mathtv.com free by clicking on any of the Amazon ads that appear below From Your

[bundawartini]

Your Video You can help keep the videos under the Videos by Topic tab at mathtv.com free by clicking on any of the Amazon ads that appear below the video Is Very Useful Sharing

[MrBooster999]

Im in 10th grade and forget how to divide. I have a feelong im going to have some trouble soon....

[tfun101]

FML...I'm going to fail calc this semester

[6584538]

@tfun101 that's the situation of all of us

[DAYSINTHEBIGAPPLE]

Me understanding the Limit Definition, is like trying to persuade an atheist that god exists. I've been applying this for a decade now, but I never really got it, and I'm sure that 90% of calculus people don't either. XD

[JonathonRedley]

@DAYSINTHEBIGAPPLE

Here's a way of thinking about a limit: suppose you are the variable x, and the function is a robot that moves in a certain way depending on how you move. Suppose if you move to a point A, the robot moves to a point B. Does the robot get closer to B as you get closer to A, no matter HOW you approach A? if so, then then the limit of the robot as you approach A is B. If not (say, you zigzag to A, but the robot approaches a point C), then the limit is NOT B.

[ABZstudios]

check out the fun way to learn limits! Search "Calc and Yellow" on Youtube NOWW

enjoy :D

[R994X]

You are excellent i understand now .. thank you (:

[R994X]

I Wish If you can come over and teach me before my exam :(

[Aranada05]

"Here's my advice; no worry about it" xD

[scout6686]

epic

[donx03]

this guy is outta control, stop this mad man -the worst ever!

[KoreanSushi1998]

Is it weird that the only Asian kid in my class is doing AP calculus? (BTW he is 13)

[fatguy925]

my calculus class was streamlines, but limts were easy for me.. but then got complicated later xD... dervitates are muche asier

[MrTyronePimp]

Why is it so difficult for me to listen to a bald man? I'm listening but I just wanna put a bullet through his head. Its like he is talking but he is eating his own heart at the same time.

[needSumSleep]

Only my left earphone works

[bshepherd425]

thank you so much for that message at the beginning. i was freaking out thinking i was going to bomb this course, so its good to know alot of people struggle with these

[MyMaggers]

your voice makes me smile

[TheLuckySaGe]

"here don't worry if this is your first time with calculus, I will explain it easy for you" (begin jumping to solve an equation without first defining to the audience what you mean by certain terms) Fail teacher is fail

[deebsboy]

Thanks for your videos. You have helped this troubled brain!

[carique2000]

u make life so much easier

[Edge123455]

Haha, the first 10 seconds of this video, he starts rapping!!

[powerdriller10]

The limits concepts require a more intuitive and lay explanation first, before going into the robust and rigorous descriptions. Some numeric trials with the value of ´a´ approaching 2, like 1.99, 1.999,1.9999 or 2,00001 and calculating the value of the function which would approach 5 would help students to grasp the limit concepts. Also, the prof must make sure that every students observe the cancellation of the (x-2) factor.

[TheSohailkhadpolkar]

thank you so much sir for uploading such a great and helpful video for me and for all those who have little or great difficulties in understanding the limits.i am very grateful to you and may god bless you for helping me.take care.

[shayshaybaby21]

Given that Confusion >0, such that, expression approaches ==> *%#@*%?

[BobbyDigMOB]

no sound?



[Gutsyndicate]

this guy has a radio voice

[srslayerz]

sounds like he's rapping from 0:05 to 0:10

[alesha288]

thankyou sooo much

our lecturer just went through the proof i was lost after the first step!

[jdf2437]

Wow you should give some classes to my teacher, awesome explanation!

[minorballer]

am i d onli one who realise tht wen her start talkin he was rhymin??

[abrcdyefaghn]

thanks! :D

100 more videos and maybe i'll understand this...

Calculus as a 10th grader...not my greatest idea...

[ctiscan]

lol sorry but the style you teach has no difference than the one we learn in college. you just jumped into limit without explaining the basics. what is epsilon? what is lambda? why do they have to be smaller/bigger than some values and why are we dealing with absolute value? what is the limit and what does it do? you fail at teaching mr.

[SlaytanicSeries]

@ctiscan

With all due respect, if you're a COLLEGE student you're already supposed to know what a delta epsilon is, what a lambda is and so on. That's just my opinion, though.

[ctiscan]

@SlaytanicSeries

true, they are letters from greek alphabet but the other things I say still hold. go and see UMKC's channel on youtube and see how calculus should be taught.

[tan94319]

@SlaytanicSeries your exactly right but the problem comes when teachers at the junior high and high school level never bother to show it to you among other things that they assume you should already know when in fact you have never been presented with the material

[SlaytanicSeries]

@tan94319

Yeah! In my way of perspective, I think that every time students get into a new subject, teachers should not assume that the students have knowledge of the subject. They should review it anyway just in case. =)

[Gutsyndicate]

@SlaytanicSeries no you aren't. some ppl jump these classes or come straight from high school or transfere from foriegn countries.

[Jay123u]

What is a limit? i still dont get it very well. And also what is the difference between a limit and slope of a tangent line?

[zidan40o0]

it is amazing how a teacher can make a very easy lecture sound hard , and how other teachers can make a very hard lesson look easy and quite understandable, i want this man to teach us in our college.

[GoldenChildBH]

I have to take calc 1, 2, and 3 and here I am at calc 1 not even able to completely grasp how to find limits. So discouraging.

[MsAllahhuakhbar]

why there is no sound?

[iamargenn]

i can't hear anything. this is really great.:)))

[TonberryvROFL]

So this guy's freaking AMAZING!! The only thing I don't get is....how did he get 4 at the end o.O

[JahRo225]

@TonberryvROFL LOL! Hey, | it's f(x) - L | (abs. value) lol, not a 4. That was funny haha

[GraditudevsRevenge]

...so yea...i'm gonna stick to applied math, thanks.

[mathmajor17]

Wow! You're a great teacher.

[avilesnba]

i would of understood this if i knew what epsolen and delta meant

[Tripp393]

@avilesnba delta: change in x; epsolen: any added amount to x

[caperneoignis]

@Tripp393 Lower case delta is a small intiger. Uppercase delta is change.

[xBEDIx]

@avilesnba they're variables

[RitsyPls]

@avilesnba I thought they were just variables. >.<

[allend433]

@avilesnba They are just variables. Epsolen and Delta are letters from the Greek Alphabet. If it helps you should think of it as X and Y (i.e. letters in the English alphabet). If you are wondering why we use Greek letters, its because they invented a lot of the math you are learning.

[sweetcaroline479]

um. what?

[sunshinekoala]

so helpful. please come teach my calc class, this makes so much more sense than when my teacher tries to explain it

[Snoopa90]

Thats my nigga right thur!

[animefan143]

Thanks. :) But it seems that the way our professor discussed is different from yours. Anyway, it helped me. :)

[chandimalrp]

thank you very much!!!!

[Dreadkiss]

Sir you are indeed amazing, all your lectures are easy to .

Thank you.

[TrueZombieTwitch]

L'hopitals Rule for the win!

[105935]

Im starting calculus and just from watching this i was like "..........holy shit"

It was so helpful,thank you.

[blognewb]

i like his face

[LiquidxEviL]

@blognewb YEAH I KNOW...HE'S SO CUTE !! GITCHYY GITCHYY CUM HERE U LITTLE.....COOKIE MONSTA

[Kreeck06]

Thank you!!! Your a life saver!!!

[Kreeck06]

THANK YOU!!!!

[bbrryyaann1993]

...........Yeah, Im not good at math,

[XtRedChaos]

What about Limits with Trig functions. I cant understand that stuff at all..

[SpittenHotFire]

youre a boss

[myqueensindel]

.........wut

[shadowdilbert]

Thank YOU!!! :D

[girlsrinferiot2world]

math is awesome

[PrOsouthpark]

omg lol this looka hard im in grade 8 in gonna be doing this in grade 9 :/

[Cdoddsy]

This did not help. I still do not know what a limit is. Also, the sound for this video only comes out of the left side of my headphones.

[Romeowasbleeding1]

@Cdoddsy

Not very grateful are you?

[Ameera9852]

@Cdoddsy Yeah, it doesn't really help..... I thought there was something wrong with my headphones....hahahaha

[tyburney]

I'll be a son of a dog its all algebra

[MisterSauce]

Thank You Mr. Mc Keague! =)

[MrNarutofan0012]

YEAH!!!!!



[gohito456]

lol i am going to grade 10 this sept and i understand this but it was giving me some dyslexia

[peterfdrucker]

Great explanation! For me, a useful bit was the reminder that x never equals 2, so the function is still defined. Thanks.

[Superdeduper739]

the only thing i predicted was factoring. maybe i should take pre-calc before understanding this..

[Guitarist4590]

@Superdeduper739

or just take things slower. Pre calc really doesn't introduce you to any of these concepts. Read up a little bit on limits and it will be pretty easy.

[enter19]

thank you very much for what u said at the beggining of the video vuz i was worried about this class

[rafaelveguim]

Beautiful explanation! Thanks!

[Goodyemani19]

Man I wish I had this teacher

[telhacerta]

for some unknown reason my video keeps skipping at 5:04...but now I'm getting to understand limits. Thanks

[Romeowasbleeding1]

@telhacerta

I don't think that that's skipping... he's having trouble finding his words there!

[skader3210]

I have a good business calculus teacher, but you sir make this material so much easier to interpret. Keep up the great work - you have a gift at teaching math!

[hehsaan]

i'm just being picky, but around 5:48 you say that the expression is undefined -- isn't it known as "indeterminate" because it takes the form 0/0?

[thatguywitcalculator]

@hehsaan when you say the expression is "indeterminate," it means it has or more than 2 variables (got that from wiki lol). he says it's undefined (which is the correct term because no point exists at x = 2) at x = 2 which is true since, like you said, it will be 0/0.

[hehsaan]

@thatguywitcalculator you're right, that's known as an "indeterminate" equation, right? it turns out that indeterminate forms are special cases of undefined expressions. thanks!

[Mr123robert999]

hey math guy, get out of the way, I wanna see what you have written down

[77mandog]

what is epsulon?

[Armoredlamb]

@77mandog Is a greek letter. But its just representing an unknown number.

[kpbotbot]

thank you. i just took an advanced class on statistics and probability. the prospectus didn't "tell" me that i had to have knowledge of integral calculus. this helps a lot :D

[btw, this is supposed to be in another video]

[TomValedro]

math is fun.

[Unaviebamas]

Thank You so much :)

[gerldsantos]

good job

[zugimon21]

i dont get why lectures in university cant/dont explain it as simply as you do. Classes would be so much easier.

Thanks so much

[UFAlphaGammaRho1519]

@zugimon21 AGREED^^



[UFAlphaGammaRho1519]

@zugimon21 AGREED^^

[Mrtheunnameable]

@zugimon21 In universities you have to KNOW this stuff. This guy just brushes over it.

[SEXYDOMINICAN11]

This is truly going to be my guide as I am in cal 1 now....it's a night class and I dont think that I am retaining any information.

This has really helped me out a lot so far!!! phew

[caleamabob]

I think this is good, I'm in 8th grade and I'm tired of being held back by my class so I'm schooling myself outside of school. I'm having trouble finding out what epsilon and delta equal. Are they just variables or do they have a value to them?

[JonathonRedley]

@caleamabob

They vary depending on the function. Essentially, the idea is as follows: you pick an arbitrary epsilon. Then you find a delta such that the definition for limits holds.

Given that the definition must hold for all epsilon greater than zero, it is often necessary to make delta a function of sorts that depends on epsilon (or other constants that are present in the function; in some cases, letting epsilon equal delta will suffice).

[candychandelier]

I'm getting it! Thanks a bunch! Though, I have a problem, my professor will NEVER give us the equal number, (like 5, in this example) he told us to find it intuitively. Using this exercise as an example, how can I find 5?

[JonathonRedley]

@candychandelier

You would apply the limits to each variable separately after applying some operation to prevent the denominator from going to zero as x approaches 2.

For this problem, I suggest dividing every term by x^2 or, as done above, factoring the equation and removing common factors.

[rgrybra]

Thank you!

:)

[abombinreverse]

wow! pretty damn good .

i understood it even with a hard buzz.

[nichelle0610]

Thanks a lot!

[darsdarsdarsdars]

I love this teacher!

[KosukeKGA]

=)

5/5

[lechar15mua]

i love this one :D

[lonesome25]

He's a good teacher

thanks so much:D

[vdasdny]

I'm learning Calculus at 2... hahaha I'm so awesome

[swtgirl92]

wow, awesome o.O

[MisterShinster]

dude! you're so coool! but einstein was able to do euclidean geometry and infinitesimal at your age. (NO JOKE)

[Chyaman09]

im learning calculus in 5th grade

[BogMonkey53]

I'm learning calculus and I haven't even been born yet. My mom swallowed a book on calculus and I'm reading it in here in her womb.

Thanks a lot for uploading these videos. Good intro too because the concept of limits has me baffled but they cover it in my college course.

[edvelezg]

ROFL good one!

[1SavageDragon1]

your in the womb and in college??? also how are you able to type whilst in there??? :O?!?! do you use mind control like stewey o.o

[wowfanatic100]

im doing calculus in my sophmore year in high school haha

[srenhope]

Nice:-)

[maths486]

he looks like my grandpa. :D

[quirty1]

These videos annoy me because the audio is only coming out of one of my headphones...

[Rashid1Kakashi]

he looks like my English teacher  :)

[SuperLuigiX]

omg imma start coming on youtube to learn everything

[seikoct]

OMG... he just help me out big time for my exam... Why do i understand him and not mr professor and he's german.. thank you.. I think your going to help me pass my last math in my life time

[AnhyMedia]

Thanks for the video! I love math because its extremely difficult, but at the same time when you realize WHY something works and HOW it works it always gives you an "oooh shit" moment.

I can finally do my homework now, thanks!

[Alvarez222007]

@AnhyMedia HELO

[nepsjg]

@AnhyMedia hello there. i just opened up my youtube page where i will be assisting everyone in learning calculus and other mathematic course. please check out my videos and help me to improve by posting a comment. if you like please subscribe for further videos.

[alphalink11]

Thank you!! I can hardly understand my professor at college because English is not his first language...so this clarifies his lectures for me...lol

[darwincuellar96]

THANK YOU SIR YOU KNOW HOW TO TEACH

[Jules787B]

THIS GUY IS THE SHITS MAN GD TEACHER

[MonoFocus]

With all respect; you are over-complicating the concept of limits in this introductory video (and probably making the people who have difficulties with the topic even more confused). Start with something much more basic, like "what is the limit of x*2 when x approaches 2", then move on to something like the limit of "1/x as x approaches infinity ", and so on.

[blastyankemonka]

yeah, it's a little complicated, my teacher also taught us this in our first class of limits, and we have to use definitions in the exam, so it's ok to start with this (:

[hmodywakid]

if u put 2 at the function u will get 0/0 and u cant know the answer directly so he used Lhopetal

then found the limit the solved it this way.

this way is not good at all cus u need to know the limit before u solve it

[PHRANQ2K2]

L'Hospital

[NJMetsHero]

This guy's videos are great, helped me a lot, but I will never understand the point of what he just did there...

[FallenSoSik]

Old men + young students = creepy

[visom1]

you never had an old male teacher?

[FallenSoSik]

No cause I dont believe in this whole student old man sex thing thats going around. I refuse to jump on this bandwagon but if you feel honored to let an old wrinkly man fondle you be my guest.

[visom1]

there's a lot of old man- young male relations thats going around and it doesn't involve only teacher to student incidences, it can be anyone and this isn't exactly earth breaking news to most people

this video is to help with calculus, the teacher i'm guessing, can't fondle with you since its only a video and i fail to see the need for you to make such a crude remark

[thomguerra]

what school do you go too that has young good looking people as calculus teachers? let me know so i can go next semester.

[aeraka]

There are two AP calculus teachers that are around thirty in my school. Pan American School of Bahia, Brazil. Just go there it rocks :p

[damonH24]

I swear my old High school principle only hired the hottest teachers, it was awesome!

[cidius1]

epislon and delta are just greek symbols. You could really plug in any letter you want right there but those two just wound more mathematic. lol

[cwvolk]

Needs to trim the eyebrows so I can watch the video.

[kennykiller911]

whats epislon and what is delta?

[kennykiller911]

I love this guy. im trying to learn basic calculus on my own so i know what to expect in college and his helps alot.

[PallasAthenaGunz]

im only 15 and im trying to learn this so that it would help me in my collage years is that a good idea or not ?!?!?!

[uniquetinimonity]

actually its a good idea... uhm maybe better... i guess..but you must go to basic before here...right now we are studying it in school to prepare in college. im also 15 but usually i don't listen to my teacher if he teach a new lesson like this...but no worry i'll just watch Mathtv anytime i want.. lolx... hehe,,, ^^ \m/

[DJPirrone]

Probably one of the best ideas.

[DarkJonDS]

Depends, have you already completed College Algebra, and trig? If not, you'll find calculus extremely difficult.

[boorens18]

you are going to need to learn most of your algebra first.

[serak91]

I have a good mathematics joke: Let epsilon is negative :-D

[wa9r]

an epsilon is a positive infinitesimal quantity whose limit is denoted by E--> 0.

[WhoaKaela]

i have a test tomorrow and i feel like these videos are my only hope. I don't understand my prof, and the book is very confusing...