GUJCET 2020 Math Solved Paper

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Question : 9 of 40

Marks: +1, -0

Let f:R→R be defined by f(x)=2x2−5 and g:R→R by g(x)=

x

x2+1

then gof is ____.

2x2−5
4x4+20x2+26
2x2−5
4x4−20x2+26
2x2
x4+2x2−4
2x2
4x4−20x2+26

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