If a , b , c are in AP and x , y and z are in GP , then $${x^{b-c}.{y^{c-a}.z^{a-b}=?}}$$

If a , b , c are in AP and x , y and z are in GP , then $${x^{b-c}.{y^

1.	If a , b , c are in AP and x , y and z are in GP , then $${x^{b-c}.{y^{c-a}.z^{a-b}=?}}$$
A.	0
B.	a + b + c
C.	1
D.	xyz
Answer» D. xyz