WBJEE 2012 Math Solved Paper

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Question : 43 of 80

Marks: +1, -0

The sum of the infinite series

1+‌

1

3

+‌

1⋅3

3⋅6

+‌

1⋅3⋅5

3⋅6⋅9

+‌

1⋅3⋅5⋅7

3⋅6⋅9⋅12

+...

is equal to

√2
√3
√
3
2
√
1
3

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