Prove that the Greatest Integer Function `f : R-R ,`given by `f (x) = [x]`, is neither one-one nor
Channel: Doubtnut
Date: 2020-06-28

Prove that the Greatest Integer Function `f : R-R ,`given by `f (x) = [x]`, is neither one-one nor onto, where [x] denotes the greatest integer less than or equal to x.