# Homework Help: Simple Integral question! (Exponents)

1. Nov 29, 2008

### homeworkjunk

1. The problem statement, all variables and given/known data
$$\int \frac{6^x+12^x}{2^x}dx$$

2. Relevant equations
$$\int a^udu= \frac{a^u}{ln a} +C$$

3. The attempt at a solution
I don't know where to begin, I tried using parts but gave up.

2. Nov 29, 2008

### Staff: Mentor

Make your life simpler by getting rid of the denominator.

6^x = (2 * 3)^x = 2^x * 3^x. You can apply the same idea to 12^x.

3. Nov 29, 2008

### homeworkjunk

I will immediately try that, thanks!

4. Nov 29, 2008

### homeworkjunk

Wohoo!! It worked!

You are awesome, thank you!