1.

If the lengths of tangents drawn to the circlesx^(2) + y^(2) -8x + 40 = 0 , 5x^(2) + 5y^(2) - 25x + 80 = 0 , x^(2) + y^(2) - 8x + 16y+ 160 = 0from the point P are equal, then P =

Answer»

`(8, (15)/(2))`
`(-8,(15)/(2))`
`(8, (-15)/(2))`
`(-8, (-15)/(2))`

ANSWER :C


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