Question

84. If P(1, 2), 214, 6), R(5, 7) and Sla, b) are the
vertices of a parallelogram PQRS, then
(A) a=2, b=3
(B)a=3, b=4
(C) a=2, b=4
(D) a=3, b=5​

Answer 1

Answer:

a=2, b=3 option a is correct