The co-ordinates of the point from which...

The co-ordinates of the point from which the lengths of tangents to the three circles `x^(2)+y^(2)=1, x^(2)+y^(2)+8x+15=0, x^(2)+y^(2)+10y+24=0` are equal is

A

`(2, (5)/(2))`

B

`(-2, -(5)/(2))`

C

`(-2, (5)/(2))`

D

`(2, -(5)/(2))`

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The correct Answer is:

B

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