Conic Sections: Intro to Hyperbolas
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Sal, your videos are always delicious.
2 years ago 27
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Anyone know why there is a "100% PROOF THAT GOD EXISTS - MUST SEE..." video in the suggestions?
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You got one of the equations wrong at 2:35! Add a annotation cause it will confuse people like me!:)
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good video
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Sal should be the standard.
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@shelbsterrox no they dont. they intersect at the center point of the hyperbola. In this case, he just happened to use the origin as the center.
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"Hyperbolas, in some way, are more fun than any other conic sections." Sal is an awesome tutor!
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at around the 9 minute mark you said x can never equal 0, does this mean x can NEVER equal zero when dealing with hyperbolas, or x cannot equal zero only in this problem?
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Sitting here, taking notes... Oh how I miss notes!!
(Math 30 = Booklet and super fast lectures=no notes to take down..)
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YOU ARE A LEGEND! (:
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@ZewKnz Thanks man, that's the worst part about math it seems so complicated till you understand it then you feel dumb lol.
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Great video, thanks. only a small correction on 10:30 x²=a² => x=+-a not x=+-sqrt(a).
fromeroj 2 years ago 14
thanks for spotting that. I added an annotation to clear that up.
khanacademy 2 years ago 14