1. Find the dimensions of the rectangle with largest area which can be cut from a circle with equation x^2+ y^2= 4(adsbygoogle = window.adsbygoogle || []).push({});

this is the question but i got stuck half way when i was differentiating the equation

how do i work this out :

[square root of (4-y^2)] + ([-y ^2] \ square root[ 4- y^2])

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# Homework Help: Maximum and minimun problem

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