Question

A(at^2,2at) and B(a÷t^2,-2a÷t) What is the distance between A and B. phd hmcx qsg?​

Answer 1

Explanation:

AB=(at22−at12)2+(2at2−2at1)2

⇒ABa2(t2−t1)2(t2+t1)2+4a2(t2−t1)2

⇒AB=a(t2−t1)(t2+t1)2+4