If a, b and c not equal to 0 or 1 and if ax= b,by=c, and cz =a, then xyz is-
A
1
B
2
C
a
Correct Answer: 1
এখানে, cz = a⇒ (by)z = a [ যেহেতু, c = by]⇒ byz = a⇒ (ax)yz = a⇒ axyza1.:. xyz = 1