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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 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 = pi r`

B

x = 2r

C

2x = r

D

`2x = (pi + 4) r`

Text Solution

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The correct Answer is:
B
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