1.

Let n be a positive integer. If the coefficients of 2nd, 3rd, and 4th terms in the expansion of (1+x)n are in AP, then the value of n is___

Answer»

Let n be a positive integer. If the coefficients of 2nd, 3rd, and 4th terms in the expansion of (1+x)n are in AP, then the value of n is___



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