The 3rd, 4th and 5th terms in the expansion of (x + a)n are respectively 84, 280 and 560, find - Maths - Binomial Theorem

Question

The 3rd, 4th and 5th terms in the expansion of (x + a)n are
respectively 84, 280 and 560, find the values of x, a and n

Brijendra P. · Accepted Answer

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The 3rd, 4th and 5th terms in the expansion of (x + a)n are respectively 84, 280 and 560, find the values of x, a and n.