1.

If the sum of n terms of the following series: 2n+12n−1+3(2n+12n−1)2+5(2n+12n−1)3+…is 36, then value of n is

Answer»

If the sum of n terms of the following series:

2n+12n1+3(2n+12n1)2+5(2n+12n1)3+is 36, then value of n is




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