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In a triangle A B C , if A is (2,-1),a n...

In a triangle `A B C` , if `A` is `(2,-1),a n d7x-10 y+1=0` and `3x-2y+5=0` are the equations of an altitude and an angle bisector, respectively, drawn from `B` , then the equation of `B C` is `a+y+1=0` `5x+y+17=0` `4x+9y+30=0` (d) `x-5y-7=0`

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The correct Answer is:
4
Co-ordinate of B will be point of intersection of `7x-10y+1=0,3x-2y+5=0`
(-3,-2)
Image of A in bisector of B lies on line BC.
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