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A wire of length 2 units is cut into two...

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 cricle of radius = r units. If the sum of areas of the square and the circle so formed is minimum, then

A

`2x=(pi+4)r`

B

`(4-pi)x=pir`

C

x=2r

D

2x=r

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The correct Answer is:
C
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