What technique do I use to figure this out? I know the answer, but I can't figure out how to arrive at it!
I am trying method of substitution:
I don't see any possible substitutions...
I then tried:
when I put this back into the original I have:
now, I am not sure where to go from here.. Am I on the right track?
Thank you very much I got it.
I have one more question:
I was able to solve this by method of staring & got
I tried to apply the method of substitution to this for kicks, and heres what happens:
As a general rule for the future, what exactly does it mean when my du contains my u? What should I do in these scenarios?
Would this be the proper way to proceed?
When all I have is my du in my expression, does that always mean to stop "integrating" and to just write it as-is?