TS EAMCET 04 May 2019 Shift 1 Solved Paper

Section: Mathematics

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Question : 64 of 160

Marks: +1, -0

If f (x) = cosh−1(

1−x

1+x

) is well defined , then f ' (x) =

−1
(1+x)√−x
1
(1+x)√x
−1
(1+x)√x
1
(1+x)√−x

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