Question

1
The angle between (A + B) & (Āx B)
(A) 0,
(B)π/4
(C) π/2
(D) π​

Answer 1

Answer:

Explanation: is zero as    AXB =C  where c is perpendicular to plane of A and  B ,    

hence A +B= IS A VECTOR PLANE  that is say plane of this board ok

so c is perpendicular to board  hence dot produced of [A+B].C =0

as it is at ninety degree to c