The radius of a circle, having minimum a...

The radius of a circle, having minimum area, which touches the curve `y=4-x^2` and the lines `y=|x|` is :

A

`4(sqrt2+1)`

B

`2(sqrt2+1)`

C

`2(sqrt2-1)`

D

`4(sqrt2-1)`

Verified by Experts

The correct Answer is:

D

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