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A wire of length l is cut into two parts...

A wire of length l is cut into two parts. One part is bent into a circle of radius r and other part into a square of side x. The sum of areas of circle and square is least, if

A

`r=x`

B

`r=3x`

C

`r=(x)/(3)`

D

`r=(x)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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