Recent content by Jani08

Oh I am sorry it is y=x^3 not y=x^2, yeah I drew a picture but haven't scanned it.

Homework Statement Here is the problem : Find the volume of the solid generated when the area bounded between the following functions rotates along the y=4 line. Functions: y=x^3 y=4x Homework Equations Functions...

Hurkyl thanks for tips, I guess I should type it the same way I type it in my graphing calculator. Vela you got it spot on, now that I look at it the way of properties it does make sense. Hah I finally got it...after a whole year doing this thing..I was always just "hoping" I had the right...

Well you know how we have (f/g) what is (f/g)' ? is it f'g-g'f/g^2 or g'f-f'g/g^2 OR does it even matter? I thought it didn't matter until I came to this problem

Homework Statement The Derivative of x-2/(x^2-1) Can you show me how to get the derivative using the quotient rule and tell me if the order matters? I always thought that the order never mattered until I got a wrong graph because it seems I got the wrong derivative. Homework...

Homework Statement Find y'' if y=1/3(1+cos^2(√x)) Homework Equations The Attempt at a Solution Now I believe I got the first derivative right since the teacher marked ir right, but my real question here is what do I do with the 1/3? Is it ok to throw away the constant when I...