1.

If the tangent at (3,-4) to the circle x^(2)+y^(2)-4x+2y-5=0 cuts the circle x^(2)+y^(2)+16x+2y+10=0 in A and B then the midpoint of AB is

Answer»

`(-6,-7)`
`(2-1)`
`(2,1)`
`(5,4)`

ANSWER :A


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