The angle at which the circles $(x - 1)^2 + y^2 = 10$ and $x^2 + (y - 2)^2 = 5$ intersect is
The angle at which the circles $(x - 1)^2 + y^2 = 10$ and $x^2 + (y - 2)^2 = 5$ intersect is
- A
$\frac{\pi }{6}$
- B
$\frac{\pi }{4}$
- C
$\frac{\pi }{3}$
- D
$\frac{\pi }{2}$
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- [IIT 1985]
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