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please help in both quetions …................

please help in both quetions …................

Question Image
Grade:12

1 Answers

Yash Baheti IIT Roorkee
askIITians Faculty 97 Points
7 years ago
Hi,

For the first question, take the LCM and simplify.
Now put x=-x, You will see that after simplification – can be taken common from numberator and denominator and the same expression wil come. So function is even.

For the second question, Find the expression by putting x/(x-1) in place of x in F(x).
After simplification you will get FoG(x) = x.
So the function is y=x whoes inverse will be x only. So a is correct option.

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