Question

If ABCD is a parallelogram where A(3,-1,2), B(1,5,-4), C(a, 1,2) and D( 1,-2,8),
the value of a and b respectively are
(A) 2.-1
(B) -2,1 (C) -1,2 (D) 1, -2
​

Answer 1

37 and j 383 a(3939)