KCET 2005 Math Solved Paper

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Question : 46 of 60

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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