NIMCET 2018 Mathematics Question 28 with Solution

Question 28

Mathematics Function and Relation Easy

Which of the following functions is the inverse of itself?

(A) \(f(x)=\dfrac{(1-x)}{1+x}\)

(B) \(f(x)=3^{\log x}\)

(C) \(f(x)=3^{x(x+1)}\)

(D) None of these

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Correct Solution: Option A

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