
#1




Integration question
Hi everyone, I'm working on an MLC question but the question is actually calculus related. It's been many years since I passed P (career changer) and I can't seem to figure out this integration problem
I understand what u substitution is but I don't know how setting u=10rootx leads to the 2 in the numerator. The steps in the attached picture are incomplete for my understanding, can anyone please help? Thank you! Last edited by ch1rontl34; 12042017 at 08:47 AM.. 
#3




Quote:

#4




I have updated the attached file, sorry I didn't realize it showed up really small. I hope it's better now. Thanks to all who have responded already!

#6




I get it now, thanks Gandalf! I forgot about replacing dx in terms of du.

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