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

A wire of the 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

A

`(4-pi)x-pir`

B

x=2r

C

2x=r

D

`2x=(pi+4)r`

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The correct Answer is:
B
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