Saturday

February 28, 2015

February 28, 2015

Posted by **Jules** on Tuesday, April 26, 2011 at 1:12pm.

Find the indefinite integral.

x/3x^2+4 dx =

Simplify the answer. Use C as the arbitrary constant.

- Math -
**MathMate**, Tuesday, April 26, 2011 at 2:22pmRequired:

I=∫xdx/√(x²+4)

Try u=x²+4, du=2xdx, xdx = du/2

I=∫ (1/2)du/√(u)

Use the power rule for u^(-1/2)

I=u^(1/2)+C

=√(x²+4) + C

**Answer this Question**

**Related Questions**

Math - Could someone answer this question so I understand it. Thanks Find the ...

math - Could someone answer this question. im stuck on it. Id appreciate it. Use...

Math - Could someone work this question out so I understand it. Find the ...

Math - Evaluate the following indefinite integral. Use C as the arbitrary ...

Calc BC - 1. Find the indefinite integral. Indefinite integral tan^3(pix/7)sec^2...

Math - 1. Evaluate the indefinite integral ([6x^2 + 12x^(3/2) +4x+9]/sqrt x)dx. ...

Calculus - Solve the differential equation. Let C represent an arbitrary ...

Calculus - Solve these indefinite and definite integrals. [integration sign] 4j-...

calculus - f(x) = 6x^2 -8x +3 how would I find the most general antiderivative ...

calculus - Using an upper-case "C" for any arbitrary constants, find the general...