BITSAT 2006 Solved Question Paper

Section: Mathematics

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Question : 39 of 150

Marks: +1, -0

If y=tan−1

√1+x2−√1−x2

√1+x2+√1−x2

, then

dy

dx

is equal to:

x2
√1−x4
x2
√1+x4
x
√1+x4
x
√1−x4

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