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The circles x^2+y^2+4x+6y+3=0 and 2(x^2+...

The circles `x^2+y^2+4x+6y+3=0` and `2(x^2+y^2)+6x+4y+c=0` will cut orthogonally if c is :

A

(4,-1)

B

(-5,5)

C

(1,-1)

D

(1,1)

Text Solution

Verified by Experts

The correct Answer is:
D
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