Question

How do you solve `x^2+1<2x` using a sign chart?

Answer 1

The solution is `S={O/ }`

Explanation:

Let's rewrite the inequality

`x^2+1<2x`

`x^2-2x+1<0`

`(x-1)^2<0`

This is impossible since

`(x-1)^2>0`, `AAx in RR`