Offline paper
Mathematics · 2016
JEE Main 2016 · 2016-04-03 Offline · Q73
A wire of length 2 units is cut into two parts which are bent respectively to form a square of side =x units and a circle of radius =r units. If the…
A wire of length $\displaystyle 2$ units is cut into two parts which are bent respectively to form a square of side $\displaystyle =x$ units and a circle of radius $\displaystyle =r$ units. If the sum of the areas of the square and the circle so formed is minimum, then :
Official answer
(3)
$\displaystyle x=2 r$
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JEE Main 2016 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.