Question

How do I integrate sin(2ln(x))dx ??

Answer 1

So...... cos(2ln(x)) * (2/x) ???

Answer 2

Chlorophyll, I believe you're incorrect.

Answer 3

Yeah....that was the wrong answer lol

Answer 4

This is because your \(u\) substitution results in an \(x\) term remaining in the transformed integral. As such, it is not proper use of the Chain Rule.

Answer 5

Substitution Rule*

Answer 6

now it' easy

Answer 7

Take derivative of what?

Answer 8

Raphael, can you explain why the second line is there?