Integration by Substitution Example Questions | A-Level Maths

In this A-Level Maths video I'll be working through some example questions each using integration by substitution :) If you're unsure on this method you can find my tutorials on them on my channel or on my A-Level Maths integration playlist linked below!

Timestamps:

0:00 Intro
0:17 Example 1
3:03 Example 2
5:35 Example 3