CUSAT 2022 BTech Solved Paper Shift 4

© examsiri.com

Question : 148 of 200

Marks: +1, -0

If sn=

n

∑

k=1

‌

1+2+22+...‌ to ‌k‌ terms ‌

2k

, then sn is equal to

n−1+‌
1
2n
1−‌
1
2n
2n−(n+1)
2n−1

Go to Question:

Prev Question

Next Question