§3.6 Optimization - Maximize Area of Rectangle Inscribed in Equilateral Triangle

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Saved me on my homework, my professor forgot to go over this in class and then assigned it for homework. Couldn't wrap my head around it.

fitzdettmer
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Thank you so much you just saved me from crying. ily ♡

madelyn
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MANY VIDEOS ON SOLVING THIS PROBLEM ARE ON UTUBE
AND THEY ARE ALL SO CONFUSING >>>BUT THIS GAL NAILED IT.
SHE MAKES IT CRYSTAL CLEAR>>> SEE WHAT A DIFFERENCE A GOOD PROF CAN MAKE
IN MATH !

fcar
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Thanks for this video, this question was actually pretty difficult for me and this helped a lot.

happycakes
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When justifying that the critical number is a maximum you state that the second derivative at a/4 is less then 0, why is this? Shouldn't it be A"(x)<0 instead of A"(a/4)<0. This is a great video, thanks.

ipfv
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kinda funny hearing you define an equilateral triangle for people taking calculus

erichill