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The area bounded by circles x^(2)+y^(2)=...

The area bounded by circles `x^(2)+y^(2)=r^(2), r=1,2` and rays given by`2x^(2)-3xy-2y^(2)=0(hgt0)` is

A

`pi`

B

`(3pi)/4`

C

`(pi)/2`

D

`(pi)/4`

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The correct Answer is:
B
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