AP EAPCET 19-Aug-2021 Shift 1 Paper

Section: Mathematics

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Question : 22 of 160

Marks: +1, -0

If Tan−1[

1

1+1.2

]+Tan−1[

1

1+2.3

]+...... +Tan−1[

1

1+n(n+1)

]=tan−1[x], then x=

1
n+1
n
n+1
1
n+2
n
n+2

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