दर्शाइए कि `P(-2,3,5),Q(1,2,3)` और `R(7,0,-1)` संरेख है ।

Show that the points P" "(-2," "3," "5) , Q" "(1," "2," "3) and R (7," "0," "-1) are collinear.

Using vectors show that the points A(-2,3,5),B(7,0,-1)C(-3,-2,-5) and D(3,4,7) are such that AB and CD intersect at the point P(1,2,3) .

Show that the points P(2,1), Q(-1,3) , R (-5,-3) and S (-2,-5) are the vertices of a square .

Prove by using distance formula that the points P(1, 2, 3), Q(-1, -1, -1) and R(3, 5, 7) are collinear.

Juatify that the four points P(-2,-7),Q(2,-4),R(-1,0) and S(-5,-3) are the vertices of a square.

The point P (3,2,4),Q(4,52),R(5,8,0) and S(2,-1,6) are :

If P=(1,2,3,4,5,6,7) and Q=(2,5,8,9) , then find P-Q.