#proof #calculus #inequality

In this video, we look at how to prove the mathematical statement (x-1) is greater than ln(x) using calculus techniques.

In order to prove the statement (x-1) is greater than ln(x), we use calculus first and second derivative to find the minimum stationary point for the function y = x-1-ln(x)

This example is part of the Australian NSW Extension 2 HSC Maths topic - Proofs.