1.

Let f:R-{1} rarr R-{2} defined by f(x)=(2x+3)/(x+1) be a bijection mark all the correct alternative w.r.t real solutions

Answer»

the number of REAL solutions of `f(X)=f^(-1)(x)` is 2
`f(x)=f^(-1)(x), ` if `f(x)=x`
`f(x)=f^(-1)(x)`, only if `f(x)=x`
All the above are correct

Answer :A::B::C::D


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