If `P(1,2,3)` and `Q(-1,0,3)` are two points then `vec(PQ)` is equal to

If P(1,2,3) and Q(2,-1,4) are two points then |vec(PQ)| is equal to

If P(1,2,3) and Q(2,-1,4) are two points,then |vec(PQ)| is equal to

If P(-1,2) and Q(3,-7) are two points, express the vectors vec(PQ) in terms of unit vectors hatiand hatj . Also find the distance between points P and Q. What is the unit vector in the direction of vec(PQ) ? Verify that magnitude of unit vector indeed unity.

If P(2,3,-6) and Q(3,-4,-6) are two points in the space. Find the direction cosines of vec(OP),vec(QO) and vec(PQ) , where Q is the origin.

Let P(2,-1,4) and Q(4,3,2) are two points and as point R on PQ is such that 3PQ=5QR , then the coordinates of R are

P(-3, 7) and Q(1, 9) are two points. Find the point R on PQ such that PR:QR = 1:1 .

Let P(0,1)and Q(4,0) are two points. Find the slope of line perpendicular to PQ.

A(2,3.0) and B(2,1,2) are two points.If the points P,Q are on the line AB such that AP=PQ=QB then PQ is Loo

If A=(1,2,3) and B(3,5,7) and P,Q are the points on AB such that AP=PQ=QB , then the mid point of PQ is

If P and Q are two points on the line joining A(-2,5),B(3,1) such that AP=PQ=QB then PB=