Let I be any interval disjoint from `(-1, 1)`. Prove that the function f given by `f(x)=x+1/x`is
Channel: Doubtnut
Date: 2020-07-05

Let I be any interval disjoint from `(-1, 1)`. Prove that the function f given by `f(x)=x+1/x`is strictly increasing on I.