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The interior angle bisector of angle A f...

The interior angle bisector of angle A for the triangle ABC whose coordinates of the vertices are `A(-8,5), B(-15,-19) and C(1,-7)` has the equation `ax+2y+c=0` Find 'a' and 'c'

A

`11x+2y+3=0`

B

`2x-11y+71=0`

C

`11x+2y+78=0`

D

`2x+11y+7=0`

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The correct Answer is:
A
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