Question

(5) If the point P(1, 12) divided the join
of the points A (3, 8) and B(x, y) in
the ratio 2:1, find x and y.​

Answer 1

given AP:AB-1:3

SO,AP:PB=1:2

GIVEN THAT P is lie on 2x-y+k=0

2(3)-(-2)+k=0

⇒6+2+k=0

⇒8+k =0

⇒k=-8