1 / | | 1 | ------------ dx | 1 + 2*cos(x) | / 0
Integral(1/(1 + 2*cos(x)), (x, 0, 1))
/ ___ / ___ /x\\ ___ / ___ /x\\ | \/ 3 *log|- \/ 3 + tan|-|| \/ 3 *log|\/ 3 + tan|-|| | 1 \ \2// \ \2// | ------------ dx = C - --------------------------- + ------------------------- | 1 + 2*cos(x) 3 3 | /
___ / / ___ \\ ___ / ___\ ___ / / ___\\ ___ / ___ \ \/ 3 *\pi*I + log\\/ 3 - tan(1/2)// \/ 3 *log\\/ 3 / \/ 3 *\pi*I + log\\/ 3 // \/ 3 *log\\/ 3 + tan(1/2)/ - ------------------------------------ - ---------------- + ------------------------- + --------------------------- 3 3 3 3
=
___ / / ___ \\ ___ / ___\ ___ / / ___\\ ___ / ___ \ \/ 3 *\pi*I + log\\/ 3 - tan(1/2)// \/ 3 *log\\/ 3 / \/ 3 *\pi*I + log\\/ 3 // \/ 3 *log\\/ 3 + tan(1/2)/ - ------------------------------------ - ---------------- + ------------------------- + --------------------------- 3 3 3 3
-sqrt(3)*(pi*i + log(sqrt(3) - tan(1/2)))/3 - sqrt(3)*log(sqrt(3))/3 + sqrt(3)*(pi*i + log(sqrt(3)))/3 + sqrt(3)*log(sqrt(3) + tan(1/2))/3
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.