Posted by **Tammy** on Wednesday, May 2, 2007 at 2:57pm.

intergral of (x^3 -4x + 3)/(2x) dx

would this be ln abs(x^3-4x+3) + C?

I don't really understand how to solve this problem.

d/dx (tan (x^2))

sec^2(x^2)(2x)

would this be the correct answer to find the derivative of tan (x^2)?

no, because if you differentiate your answer you don't get what you started with.

divide the 2x into each term so that your expression becomes

(1/2)x^2 - 2 + 3/(2x)

now the integral of that is

(1/6)x^3 + 2x + (3/2)lnx + c

yes, to your derivative of tan x^2

## Answer This Question

## Related Questions

- Integration - Intergrate ¡ì sec^3(x) dx could anybody please check this answer. ...
- Math Help - Hi! I need help with this practice problem. My teacher gave us the ...
- integral confusion - integral of Sec[2x]Tan[2x] i know u is sec 2x du=...
- calculus - So I am suppose to evaulate this problem y=tan^4(2x) and I am ...
- calculus (check my work please) - Not sure if it is right, I have check with the...
- Calc - y= cube root (1+tan(t)) OR y= (1+tan(t))^(1/3) The answer I got was y'= (...
- Calc 2 - Ok, I have two questions first: 1. I'm asked to find a cartesian ...
- math - would this be a correct proof of the cauchy-schwartz inequality: abs=...
- Calculus - Integration - Hello! I really don't think I am understanding my calc ...
- Calculus - Calc length of arc of y=ln(x) from x=1 to x=2 ---- So far: Definite ...

More Related Questions