if the coff of the (r-1)th, rth, (r+1)th terms in the expansion of (x+1)^n are in the ratio 1:3:5 - Maths - Mathematical Induction and Binomial Theorem

Question

if the coff of the (r-1)th, rth, (r+1)th terms in the expansion of
(x+1)^n are in the ratio 1:3:5 find n and r

Varun Rawat · Accepted Answer

Refer the following link for the answer similar to your query :

https://www meritnation
com/ask-answer/question/the-coeffecients-of-three-consecutive-terms-in-the-ex/sequences-and-series/10209599

if the coff. of the (r-1)th, rth, (r+1)th terms in the expansion of (x+1)^n are in the ratio 1:3:5.find n and r