Originally Posted by

**s3a** I know how to manipulate integrals algebraically if I had the numerical value of each integral however this question wants me to find the values of intervals of certain integrals which I don't know how to do!

Could someone please explain it to me? (Question #14 on "temp.pdf" - my (useless) work is attached as "mywork.pdf" to just to show that I know how to manipulate the integrals)

Any help would be greatly appreciated!

Thanks in advance!

P.S. I forgot to put dx on the first line of my work (not that it necessarily matters).