The first, second and middle terms of an AP are \( a, b, c \) respectively. Their sum is
(A) \( ... VIDEO
The first, second and middle terms of an AP are \( a, b, c \) respectively. Their sum is
(A) \( \frac{2(c-a)}{b-a} \)
(B) \( \frac{2 c(c-a)}{b-a}+c \)
(C) \( \frac{2 c(b-a)}{c-a} \)
(D) \( \frac{2 b(c-a)}{b-a} \)
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