Dear learner, I hope the lesson provides you a clear and intersting contents with simple demonstration style. here you will get the main contents of the lesson with buletins. have a nice reading!

• Inverse of a relation is arelation obtained by interchanging ordered pairs of the original relation.
• Domain of $R^{-1}$ = Range of R
• Range of $R^{-1}$ = Domain of R
• Graph of the inverse of a relation R is the mirror image of R reflected along the line $y =x$