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If the circles x^(2)+y^(2)-2 x-2 y-7=0 ...

If the circles `x^(2)+y^(2)-2 x-2 y-7=0` and `x^(2)+y^(2)+4 x+2 y+k=0` cut orthogonally, then the length of the common chord of the circles is

A

2

B

`(12)/(sqrt(13))`

C

8

D

5

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Verified by Experts

The correct Answer is:
B
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HIMALAYA PUBLICATION-CIRCLES-QUESTION BANK
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