Asked by baidshryans | 26th Nov, 2008, 06:02: PM

Expert Answer:

let A be(a,b) and B be (c,d) and P be (h,k)


(h-a)2 + (k-b)2 - (h-c)2 + (k-d)2= l(constant)

2h(c-a) + 2k(d-b) + a2 +b2 -c2 -d2 = l

put (h,k) --> (x,y)

then clearly it is a equation of straight line.

Answered by  | 11th Jan, 2009, 11:49: AM

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