Integrating √(x²+4) | Calculating Integrals Homework

[rtran58]

Homework Statement

Calculate the integral.

[tex]\int\frac{d}{dx}\sqrt{x^{2} + 4}dx[/tex]

Homework Equations

The Attempt at a Solution

All i know is that i am suppose to factor out the

[tex]\frac{d}{dx}[/tex]

to become

[tex]\frac{d}{dx}\int\sqrt{x^{2} + 4}dx[/tex]

 

[rock.freak667]

Here is a hint: Integration is the reverse of differentiation.There is no factoring out the d/dx

 

[HallsofIvy]

"Fundamental Theorem of Calculus" (which is basically what rock.freak667 said).