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If \( a_{1}, a_{2}, \ldots \ldots ., a_{n} \) are distinct terms of an A.P., then
(A) \( a_{1}+2 a_{2}+a_{3}=0 \)
(B) \( a_{1}-2 a_{2}+a_{3}=0 \)
P
(C) \( a_{1}+3 a_{2}-3 a_{3}-a_{4}=0 \)
(D) \( a_{1}-4 a_{2}+6 a_{3}-4 a_{4}+a_{5}=0 \)
W
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