If Q is the set of rational numbers, then prove that a function `f: Q to Q ` defined as `f(x)=5x-3,
Channel: Doubtnut
Date: 2019-12-29

If Q is the set of rational numbers, then prove that a function `f: Q to Q ` defined as `f(x)=5x-3, x in Q` is one -one and onto function.