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JEE Main & Advanced Mathematics Functions Question Bank Numerical Value Type Questions - Relations and Functions-II

  • question_answer
    Let \[f:R-\left\{ \frac{5}{4} \right\}\to R\] be a function defined as \[f\left( x \right)=\frac{5x}{4x+5}.\]The inverse of f is the map g: Range \[f\to R-\left\{ \frac{5}{4} \right\}\] given by \[{{f}^{-1}}(x)=\frac{ax}{a+by},\]then the value of \[a+b\] is

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