IF_A,_B,_C_ARE_IN_AP_THEN_RELATION_BETWEEN_A,_B,_C_CAN_BE?$

1.	IF_A,_B,_C_ARE_IN_AP_THEN_RELATION_BETWEEN_A,_B,_C_CAN_BE?$
A.	2b = 2a + 3c
B.	2a = b + c
C.	2b = a + c
D.	2c = a + c
Answer» D. 2c = a + c

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