AS & A Level Maths No.11 Indices 1 - from www.mathstutor.biz

[JamilELBarbir]

""we cube rute both SAIDS which is a hundred and twenty FAIVE,OUHKAI3

[GODOFWAR1013]

My math teacher explained something completely different and gave us homework like this...

[KraussHelmut]

Very good!

[sajabz2007]

Ah thanks for the tutorial, just started an Aerospace degree being away from any form of maths for over 4 years now .. so much appreciated! Totally going to buy the DVD. Emm .. Don't mean to sound rude but the pen your writing with is going through me :(

[indyk91]

i thought maths was just adding stuff. this stuff is crazy!

[LittleTommyGstar]

@indyk91 hahaha! i actually used this guy as help for my core 1 and 2! his voice is hilarious! :) i got a D and an E i think :(

[indyk91]

@LittleTommyGstar you got a D and an E!!! wo you're smart man! you must be a maths boffin or something! if only you liked justin bieber too then you'd be my hero!

[LittleTommyGstar]

@indyk91 Thats crazy how you've just said that, cos im only Justin Bieber's biggest fan! i absolutely adore him! i cant wait for his disney tour next year! ..ive already put my name down on the fan site for the first ones :)

[mymoneyisyourmoney]

from where i come from..the negative on the bottom of a fraction is considered wrong if you meant the whole fraction is negative..

[2nd0LfrT]

There often seems to be "gaps" in information from one lesson to the next!

Suddenly a concept or formulae will appear as if it had been covered in a previous lesson, and it hasn't

[mathstutorbiz]

@2nd0LfrT My videos on youtube are free video clips from available dvds. So sorry, if you wanr the complete thing you will need to buy the dvd! In the dvds you will find the complete concept. mathstututorDOTbiz

[sickcombos]

@mathstutorbiz plz solve this for me :10to the power x=3 and 10 to the power y =7.

Thanks..

[azulaspie]

by third rule of indices he means that (A to the power of m) n. is (a)to the m+n

[azulaspie]

This is simple... heinneman's pure additional mathematics has a much clearer explanation, I recommend it for as and a level mathematics revision

[haxor98]

Thank you very much

[mrlandboarder]

It would be "3i"

[samioni]

yes if imaginary numbers are in the silly bus, but as they are not then ...... no, we say no real roots, if you see what I mean. mathstutor.

[fixedgearlondon]

hang on - in GCSE they teach that you cannot find any negative root i.e the square root of -9 does not equal -3 becasue that would be positive 9?

[mathstutorbiz]

True, you can't find the square root of a negative number as a real number. So watch and listen again coz at no time do I say what you are suggesting! I say "the square root of -9 has no real roots". mathstutor

[paddy110287]

@mathstutorbiz whats 1⁰?

[RamsFanNo1]

that is very true fixedgearlondon, however at AS/A level maths when you cube a negative number you get a negative number, basically in simple terms whenever you raise a negative number to the power of an even number you are left with a a positive number and whenever you raise a negative number to an odd power, you are left with a negative number

(carried on on next post)

[RamsFanNo1]

For Example -

-2 to the power of 1 = -2

-2 to the power of 2 = 4

-2 to the power of 3 = -8

-2 to the power of 4 = 16

and there you have it, i take it you can see the clear pattern in this example

hope i have helped =)

[viharsarok]

Is there somebody actually willing to pay for this shit? That's elementary school mathematics.

[mathstutorbiz]

Oh, what a little sweetie you are. Still, I expect someone loves you? mathstutor

[viharsarok]

Oh no, please stop owning my ass like this. :D

Well dude, if you can sell elementary school math that everybody has already learned in school, I actually admire you. Next time try selling refrigerators to Eskimos.

[luxollidd]

oh im sorry

not everyone in the world is as smart as u are mister

everyone (atleast me ) need extra help to understand certain matter

[imalwayswatchingu00]

It's helpfull to me, I have a test on this tomorrow.

Grade 9....

[NurulSadrina]

Yeah it does, but having a strong basic is very important for a- level maths

[joshisdaboi]

with ur vidz i am able to pass my GCSEs!

The school put me up for "Gifted and Talented"

[mrdancingking]

how can -5 x -5 x -5 = -125?

I thought the square root or cube root etc was always a positive number because -.-=+ and +.+=+ :-S

[DJReactUK]

Its right.

-5 * -5 = 25 * - 5 = 125

[tkkfishyghost]

You've got a minus times a minus. That makes a positive. THEN you multiply +25 by -5 which makes a negative. -125.

[guspaza]

i dont like the sound of felt pen on paper :\

[BobbyJenkins]

Watched the first two parts. Very nice and clearly explained, my only criticism is just a tiny thing. About the +- on the x^2 = 9 equation. I think you should have made the point of why that is + and - (ie, -3 x -3 gives the same answer as 3 x 3) it's only a small detail but I just figure helps make things clear for the viewer.

[richardmullins44]

you are out of your tree

[x2keithm3x]

Ty this helped alot

[burning666]

OMG this is A level stuff!!! haha this is to easy XD

[022kaka]

this has helped so much. THNX ALOT

[stevo1153]

You've spoken about imaginary numbers only in the circumstances of solving an equation where x^2 = -9 and so at this point in time cannot be solved, however previously you've shown that questions asking you to find x, where x^2 = -125, can be solved. For each case don't you have to use i as part of the answer i.e. x = i.n, where n is a positive, real number. It seems contradictory. =/

[mathstutorbiz]

Have another watch. Earlier in the video it was x^3 = -125 that I solved, which is possible with out imaginary numbers

mathstutor

[mariomaroky]

thankyou great help

[mathstutorbiz]

you are welcome.

mathstutor

[04jmorri]

I'm a GCSE student and this is very easy, thanks.

[shinysparkle]

thanks.

this has really helped.