Guest

If A (-3,4), B (1,2) and P(2k-1,2k+1) is a variable point such that PA+PB is minimum, then find the value of k. [Answer is 7/8]

If A (-3,4), B (1,2) and P(2k-1,2k+1) is a variable point such that PA+PB is minimum, then find the value of k.
[Answer is 7/8]

Grade:10

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4404 Points
5 years ago

When P lies on AB the distance will be minimum.
Form an equation of line AB and satisfy point P on it.
The resulting value of k will be the answer

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free