### Home > CALC > Chapter 10 > Lesson 10.2.2 > Problem 10-108

10-108.

You should recognize the integrand as a form of the derivative of tan^{–1}(*x*).

The denomintor needs to be of the form *a*^{2} + 1.

Use substitution. Let *u* = *x*^{2} + 4.

Factor the denominator then use partial fraction decomposition.