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The angles between the circle x^2 + y^2 ...

The angles between the circle `x^2 + y^2 -2x - 6y - 39=0 and x^2 + y^2 + 10x - 4y + 20=0` is

A

`pi//6`

B

`pi//2`

C

`2 pi //3`

D

`2pi //6`

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The correct Answer is:
C
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 3-(MATHEMATICS)
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