The sum of the length of projections of `pi +qj +rk` on the coordinate axes, where `p=2,q=3 and r=1 `is 1) 6 2) 5 3) 4 4) 3 2

The length of the line segment whose projection on the coordinate axes are of magnitudes 12,4,3 is (1) 13 (2) 17 (3) 19 (4) 21

The length of the line segment whose projection on the coordinate axes are of magnitudes 12,4,3 is (1)13(2)17(3)19(4)21

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

Origin is shifted to the point P without changing the directions of the axes.If the coordinates of Q with respect to the old axes,new axes are (2,-1,4) and (3,1,2) respectively,then P_(x)+P_(y)+P_(z)=

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.

If the xicoordinate of 'p' on the join of Q(2,2,1) and R(5,2,-2) is 4, then Z-coordinate of P is

Find the coordinates of the midpoint of seg QR, if Q(2.5,-4.3) and R(-1.5,2.7).

If the vectors pi + j + k, i + qj + k and i + j + rk, where pneqnerne1 are coplanar, then : pqr- (p + q + r) =…..