IB Sample Exam Question, Paper 1 Q7

This video shows the solution to question 7 of the sample IB exam.
In this video calculate a definite integral involving a logarithm.

[MarkVO]

I did IB Maths HL in 2013 and u-substitution was expected for solving some questions such as this one

[christianrosado]

Its nice to see Patrick is still saving lives. Started with precalc and survived all the way to dif q. Now Im back to refresh my laplace for one of my final classes. Thank you!!

[michaelempeigne]

If you do a u-sub : u=2x + 1 and du= 2 dx then the formula works out

[jJo]

watching this cuz I'm kinda bored anyways Nice explanation