CBSE Class 10 Answered
Locus
Asked by baidshryans | 26 Nov, 2008, 06:02: PM
Expert Answer
let A be(a,b) and B be (c,d) and P be (h,k)
then
(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 | 28 Nov, 2008, 02:46: PM
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