Finding Critical Numbers - Example 2
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Uploader Comments (patrickJMT)
Top Comments
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very helpful, thank you.
I wish my calc teacher was as thorough as you are.
3 years ago 21
All Comments (76)
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I´m 15 years old and this is verry helpfull in calc!!!!!!!!!!!
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i think u have a mistake on -4 and +4 cant be because they are undefined on the derivative
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I always end up just sitting there and doing whatever I want in math class, never listening to my teacher. Then I watch these YouTube lectures and I ace all the tests. :D
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Thank you so much! my cal 1 teacher is a physicist from Africa with horrible handwriting and thick accent. Your videos are clearing everything up for me. Getting my BA from Youtube. lol
1 month ago 2
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I take care of my exes ;)
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@Thebadfx I wish I could hear my calculus professor :(
Youtube > Lectures-in-person
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thanks alot my Calculus AB teacher sucks as well... you make this so much easier
2 months ago 2
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@Thebadfx I second that!! My teacher sucks! Not approachable after class either :(
Thanks Patrick!
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you my friend are a genius. if only my calc teacher was as thorough as you.
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@patrickJMT LOL trim his arm hair...probably just different camera quality/lighting
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hey patrick did you trim your arm hair in this video?
IRANisPERSIA1 3 months ago
@IRANisPERSIA1 i am pretty sure i have never done such a thing. maybe it was some little fairies that floated in my window at night while i slept...
patrickJMT 3 months ago 6
He's left handed. That must help him in his math career.
Vtgreen24 3 months ago 4
@Vtgreen24 yes, it must be the left hand, not the thousands of hours of studying.
patrickJMT 3 months ago 32
If youre ever in Oregon, i'll bake you a cake.
Airmaverick11 11 months ago 11
@Airmaverick11 sounds sweet!
patrickJMT 11 months ago 5