Critical points introduction | AP Calculus AB | Khan Academy
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Published 2013-01-30
Sal introduces the "critical points" of a function and discusses their relationship with the extremum points of the function. Created by Sal Khan.
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All Comments (21)
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Why my professor couldn't explain this concept so concisely is a mystery to my, but thank you for creating Khan Academy. It has carried my math education in community college all the way up from pre-algebra to now Calculus 1. #Ioweyoumylife
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WOW I love the colors
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I was just thought this in my AP calculus class! Great job!
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I'm always amazed that there is never a video that explains what I'm stuck on. Everyone recommends your videos, but they never help me.
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An explanation with exceptional clarity.
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I searched all the internet to check that simple question and couldn't find it anywhere. thank you so much
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this is beautifull...well explained sir
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Very, very, clear and simple to understand
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In class I feel maxima and minima is sooo bore but now I feel so interesting that u so much for khan academy 😍😍😍😍😍😍😍😃😃😃😃😃😃😃😃😃
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I'm not gonna lie when this was uploaded , I just had ended my 1st class
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ur voice makes a lot of difference too great work
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thank you mr. khan!
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Shouldn’t f(x0) also be a local maximum?
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this is great thanks sal khan
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2:37 -- "Not lox, that would have to deal with salmon" - I died laughing when he said that lol
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Nicely explained
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Very helpful video. :)
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when u learn about salmon in a math video
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nice work