I have a problem with this one question that is driving me crazy. It seems so simple. I have done definite integrals, 'U' substitutions, and integration by parts, etc, etc... Anyway, here's the question, maybe you guys can help me out. This isn't a homework question or anything, it just has been on my nerves. Alright so I am given: int(f(x)) from 1 to 10 = 4. And they want me to find out what the int(f(x)^2) from 1 to 10 is... Now I've tried doing a host of different things but I been unable to draw a conclusion as to how this can be solved. If anyone can help me with this simple problem it would be much appreciated. Note: This isn't int(f(x))^2 = 4, which is 16. Picture: http://img16.imageshack.us/img16/580/int101.jpg [Broken] Thanks in advance. And, I also apologize if I have gone against any rules or anything of that nature. After all this is my first post ^^.