Class 9 / IIT Foundation Plus Maths / Inverse and composite Function / Definition Of Inverse Function And Algorithm
Inverse and Composite Functions
Inverse and Composite Functions
Definition (Inverse function) :
If \( f:A \to B\) is a bijection, then the relation \({f^{ - 1}} = \{ (b,a)/(a,b) \in f\}\) is a fu