Which of the following functions is the inverse of itself? – McqOptions

MCQOPTIONS

1.	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
Answer» B. \(f(x)=3^{\log x}\)

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