If `P(alpha,beta,gamma)` be a vertex of an equilateral triangle PQR where vertex Q and R are `(-1, 0, 1)` and `(1, 0, -1)` respectively, then P will lie on the plane

If P(alpha,beta,gamma) is a vertex of an equilateral triangle PQR where vertex Q and R are (-1,0,1) and (1,0,-1) respectively, then P can lie on the plane

If P(alpha,beta,lambda) is a vertex of an equilateral triangle PQR where vertex Q and R are (-1,0,1) and (1,0,-1) respectively, then P can lie on the plane

The area of Delta PQR is 4 sq. units Q and R are (1, 1) and (1, 0) respectively. Which of the following lines is a part of the locus of P?

The base of vertices of an isosceles triangle PQR are Q 1,3 and R -2,7.The vertex p can be :

The base vertices of an isosceles triangle PQR are Q (1,3) and R(-2, 7). The vertex P can be-

The base vertices of an isosceles triangle P Q R are Q=(1,3) and R=(-2,7) . The vertex P can be

In fig. trianglePQR is an equilateral triangle with points Q(-3,0) and R(3,0). Find the coordinates of the vertex P.

If the circumcentre of triangle ABC is (alpha,beta,gamma) where A, B, C are ((1, 0, 0) (0, 1, 0) and (0,0,1) respectively then alpha+beta+gamma+=1 (b) alpha=beta gamma=1/3 (d) alpha=1