Find the value of `x` such that `P Q=Q R` where the coordinates of `P ,\ Q` and `R` are `(6,\ -1)` , `(1,\ 3)` and `(x ,\ 8)` respectively.

Find the value of x such that PQ=QR where the coordinates of P,Q and R are (6,-1),(1,3) and (x,8) respectively.

Find the value of x such that PQ = QR, where P, Q and R are (6,- 1), (1, 3) and (x, 8) respectively.

Find x such that PQ=QR where P(6,-1)Q(1,3) and R(x,8) respectively.

Find the value of : 2p + 3q + 4r + por when p =-1,q = 2 and r = 3

The points P,Q,R are collinear , if the coordinates of P and Q be (3,4) and (7,7) respectively and overline(PR)=10 unit , find the coordinates of R.

Let P be (5, 3) and a point R on y=x and Q on the x-axis be such that P Q+Q R+R P is minimum. Then the coordinates of Q are

Find the value of the expressions, when p= -3, q= -1" and "r= 2 2p-5q-8+3r