A man strats from the point `P(-3,4)` and reaches the point `Q(0,1)` touching the x-axis at `R(alpha,0)` such that `PR+RQ` is minimum. Then `|alpha|=`.

A man starts from the point P(-3,4) and reaches the point Q(0,1) touching the x-axis at R(alpha,0) such that P R+R Q is minimum. Then 5|alpha| (A) 3 (B) 5 (C) 4 (D) 2

A student of IIN starts from a point P(-3,4) and reaches point Q(0,1) via R(alpha,0) such that perimeter ofthe triangle PQR is minimum, then the value of 10| alpha| is-

A man starts from the point P(-3,4) and will reach the point Q(0,1) touching the line 2x+y=7 at R. The coordinates R on the line so that he will travel in the shortest distance is

Given points P(2,3),Q(4,-2), and R(alpha,0). Find the value of a if PR+RQ is minimum.

Points A(0,6,8) and B(15,20,0) are given Let P( alpha ,0,0) is a point on x -axis such that PA+PB is minimum Then value of alpha is

Points A(0,6,8) and B(15,20,0) are given. Let P(alpha,0,0) is a point on x - axis such that PA+PB is minimum Then value of alpha is

A man starts walking from the point P( -3, 4), touches the x-axis at R, and then turns to reach at the point Q(0, 2). The man is walking at a constant speed. If the man reaches the point Q in the minimum time, then 50 ((PR)^2 + (RQ)^2) is equal to __________ .

A man starts walking from the point P( -3, 4), touches the x-axis at R, and then turns to reach at the point Q(0, 2). The man is walking at a constant speed. If the man reaches the point Q in the minimum time, then 50 ((PR)^2 + (RQ)^2) is equal to __________ .

An ellipse with focii (1,4) and (alpha,beta) touches the x -axis at (5,0). Then the value of alpha-beta is