KCET 2010 Math Solved Paper

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Question : 42 of 60

Marks: +1, -0

If y=Tan−1√x2−1, then the ratio ‌

d2y

dx2

:‌

dy

dx

=.

‌
1+2x2
x(x2+1)
‌
x(x2+1)
1−2x2
‌
x(x2−1)
1+2x2
‌
1−2x2
x(x2−1)

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