If in the expansion of (1+x)n, the coefficients of three consecutive t – InterviewSolution

1.	If in the expansion of (1+x)n, the coefficients of three consecutive terms are 56, 70 and 56, then find n and the position of the terms of these coefficients.
Answer» If in the expansion of $(1 + x)^{n}$ , the coefficients of three consecutive terms are 56, 70 and 56, then find n and the position of the terms of these coefficients.

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