Question

How do you evaluate the definite integral `int (x+6)^2dx` from [0,4]?

Answer 1

`784/3 = 261.333`

Explanation:

`int (x+6)^2 = (x+6)^3 /3 | 0, 4 = (4+6)^3 /3 - 6^3 / 3 = 261.333`