BITSAT 2016 Paper

Section: Mathematics

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Question : 91 of 150

Marks: +1, -0

The sum to n terms of the series ‌‌

1

2

+‌‌

3

4

+‌‌

7

8

+‌‌

15

16

+...... is

n−1−2−n
1
n−1+2−n
1+2−n

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