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If the coefficient of 3rd,4th and 5th terms in the expansion of (1+x)n,n∈N are in A.P., then the number of possible value(s) of n is |
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Answer» If the coefficient of 3rd,4th and 5th terms in the expansion of (1+x)n,n∈N are in A.P., then the number of possible value(s) of n is |
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