Hello Victoria, Let me give you some hints, and then if you need more help let me know. 1. Use integration by parts...letting u=f(x) and dv=g''(x) dx. 2. Use the substitution y=e^(-x^2)...
Dear Paolo: These preposition question are having a bad effect on me. It is so difficult to explain differences, especially when the differences, if any, are so slight that no one notices them.
Dear Paolo: If both are correct, is there any difference between "to drop BY for something" and "to drop IN for something"? They really mean the same thing. If you want to be very picky, you could
Dear Paolo: I can't seem to get caught up to date with your questions, Paolo. ****** Is it "to talk ABOUT something" or "to talk OF something"? If both are possible, do they mean the same
Dear Paolo: Is "to freak out" a synonym for "to go insane"? *** It CAN be, in some circumstances. But, the usual meaning of "freak out" is to get very upset over something, to the point that you