Finding Local Maximums/Minimums - Second Derivative Test
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Uploader Comments (patrickJMT)
Top Comments
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Why aren't you a university prof, your better than all my math profs combined!
7 months ago 30
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All Comments (121)
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@SamBM17 That's the derivative of the bottom of the second derivative (x^2+4)^"2" = "2"('x^2'+4)('2x'). The chain rule.
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Hi Patrick. Where you've differentiated f'(x) so f''(x) = (x^2+4)(-2x) - (4-x^2)2 x (x^2+4)2x where does the 2 outside (4-x^2) come from? I hope my question makes sense, thanks
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It's awesome that you explain math so understandable and in the easiest way :)
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Math professors really need to learn from YouTube... :">
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pancakes
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Thank you! This video has helped me so much!!! :D
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nice video, but you couldve shortened it to like 2 minutes
L4ctose 1 month ago
@L4ctose thanks for your useful comment. it is valued and appreciated!
patrickJMT 1 month ago 5
@patrickJMT I have to say I agree... but only because I have a massive test in algebra, differenciation, matrices and integration tomorrow and I'd love some fast cramming videos... but good videos!
Eadaoin94 5 days ago
@Eadaoin94 better to be 2 minutes too long instead of 2 minutes too short!
patrickJMT 5 days ago
Go to patrick's website and donate to his paypal!!
richindiankid 2 months ago 4
@richindiankid that sounds like a good idea. with a name like ' richindiankid ' i hope you gave a LOT! : )
patrickJMT 2 months ago 13