AP EAMCET Engineering 2018 Apr 22 Shift 2 Paper

Section: Mathematics

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Question : 75 of 160

Marks: +1, -0

For n≥2, let In=

∫

π

4

0

tann xdx and Fn=In+In−2. then Fn−Fn+1=

1
n
1
n−1
1
n(n−1)
1+ n

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