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Find the angle at which the circles x^2+...

Find the angle at which the circles `x^2+y^2+x+y=0` and `x^2+y^2+x-y=0` intersect.

A

`pi//6`

B

`pi//4`

C

`pi//3`

D

`pi//2`

Text Solution

Verified by Experts

The correct Answer is:
D
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