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CBSE Notes 2011-2012

Let n be a positive integer if the coefficients of 2nd, 3rd, 4th terms in the expansion of (1+x)n ar...

Short answer question

Let n be a positive integer if the coefficients of 2nd, 3rd, 4th terms in the expansion of (1+x)n are in A. P., find the value of n.

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