If a1 a2 a3 and a4 be the coefficients of four consecutive terms in the expansion of (1+x)^n - Maths - Binomial Theorem

Question

If a1 a2 a3 and a4 be the coefficients of four consecutive terms in
the expansion of (1+x)^n Prove that (a1/a1+a2) + ( a3/a3+a4) =
(2a^2/a1+a3)

Lovina Kansal · Accepted Answer

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If a1 a2 a3 and a4 be the coefficients of four consecutive terms in the expansion of (1+x)^n . Prove that (a1/a1+a2) + ( a3/a3+a4) = (2a^2/a1+a3)