WBJEE 2013 Math Solved Paper

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Question : 65 of 80

Marks: +1, -0

x = 1 +

1

2×1!

+

1

4×2!

+

1

8×3!

+ ..... and y = 1 +

x2

1!

+

x4

2!

+

x8

3!

+ ...... Then the value of logey is

e
e2
1
1
e

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