VITEEE 2013 Paper

Section: Mathematics

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Question : 96 of 120

Marks: +1, -0

The sum of the series

n

Σ

r=0

(−1)r

n

‌

Cr (

1

2r

+

3r

22r

+

7r

23r

+

15r

24r

+...m‌terms) is

2mn−1
2mn(2n−1)
2mn−1
(2n−1)
2mn+1
(2n+1)
None of these

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