KCET 2023 Math Solved Paper

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Question : 18 of 60

Marks: +1, -0

If f(x) and g(x) are two functions with g(x)=x−‌

1

x

and fog(x)=x3−‌

1

x3

then f′(x)=

x2−‌
1
x2
1−‌
1
x2
3x2+3
3x2+‌
3
x4

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