JEE Main 2016 Question Paper

Section: Mathematics

Question : 45 of 90

Marks: +1, -0

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 sum of the areas of the square and the circle so formed is minimum, then:

[Main 2016]

(4−π)x=πr
x=2r
2x=r
2x=(π+4)r

Validate

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