1.

The tangent at A(-1,2) on the circle x^(2) + y^(2) -4x -8y + 7=0 touches the circle x^(2) + y^(2) + 4x + 6y =0 at B. Then, a point of trisection of AB is

Answer»

`(0,(1)/(3))`
`(-(1)/(3), 1)`
`((2)/(3), (1)/(3))`
`(-1,-1)`

ANSWER :B


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