Question

15. If nth term of series is 2^n + n, then sum of n terms
a) n(2^n - 1) + n(n + 1) b)2(2^n -1)/2, n(n+1)/2
c) 2(2,^n-1)+ n(n+1)/2.
d) None
with solution​

Answer 1

The answer is C) 2(,^n-1)+ n(n+1)/2.

Answer 2

Answer:

the answer was above of my answer