If `P, Q, R, S are (3, 6, 4), (2, 5, 2), (6, 4, 4), (0, 2, 1)` respectively. The projection of PQ on RS is ….......

If P,Q,R,S are (3,6,4),(2,5,2),(6,4,4,),(0,2,1) respectively find the projection of PQ on RS.

P,Q,R,S are the points (1,2,-2), (8,10,11), (1,2,3) and (3,5,7) respectively. If s denotes the projection of PQ on RS then 29s^(2) + 29 is equal to :

The coordinates of points P, Q, R and S are (-3, 5), (4, -2), (p, 3p) and (6, 3) respectively, and the ares of DeltaPQR and DeltaQRS are in ratio 2:3. Find p .

If P, Q,R,S are the points (4,5,3) ,(6,3,4),(2,4,-1)and (0,5,1), the length of projection RS on PQ is:

If the points P,Q,R,S are (4,7,8),(-1,-2,1),(2,3,4) and (1,2,5) respectively show that PQ and RS intersect. Also find the point of intersection.

If P_(1), P_(2), P_(3) are the perimeters of the three circles, S_(1) : x^(2) + y^(2) + 8x - 6y = 0 S_(2) : 4x^(2) + 4y^(2) -4x - 12y - 186 = 0 and S_(3) : x^(2) + y^(2) -6x + 6y - 9 = 0 respectively, then the relation amongst P_(1), P_(2) and P_(3) is .............

Given that P (3, 2, 4) , Q (5, 4, 6) and R (9, 8, 10) are collinear. Find the ratio in which Q divides PR.

P(1,0,-1), Q(2,0,-3),R(-1,2,0)a n dS(3,-2,-1), then find the projection length of vec PQ and vec R Sdot

The co-ordinates of two points P and Q are (2, 6) and (-3, 5) respectively. Find : the equation of PQ

P(1,0,-1),Q(2,0,-3),R(-1,2,0) and S(3,-2,-1) are four points and d is the projection of vec(PQ) on vec(RS) then which of the following is (are) true? (A) d=6/sqrt(165) (B) d= 6/sqrt(33) (C) 8/sqrt(33) (D) d=6/sqrt(5)