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The circles x^2+y^2+x+y=0 and x^2+y^2+x-...

The circles `x^2+y^2+x+y=0` and `x^2+y^2+x-y=0` intersect at an angle :

A

`pi/6`

B

`pi/3`

C

`pi/2`

D

`pi/4`

Text Solution

Verified by Experts

The correct Answer is:
C
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