1 / | | 3*x + 1 | -------- dx | 2 | 5*x + 1 | / 0
/ | | 3*x + 1 | 1*-------- dx | 2 | 5*x + 1 | /
5*2*x + 0 3*-------------- 2 3*x + 1 5*x + 0*x + 1 1 -------- = ---------------- + ----------------------- 2 10 / 2 \ 5*x + 1 |/ ___ \ | 1*\\-\/ 5 *x + 0/ + 1/
/ | | 3*x + 1 | 1*-------- dx | 2 = | 5*x + 1 | /
/ | | 5*2*x + 0 3* | -------------- dx | 2 | 5*x + 0*x + 1 / | | / | 1 ---------------------- + | ------------------- dx 10 | 2 | / ___ \ | \-\/ 5 *x + 0/ + 1 | /
/ | | 5*2*x + 0 3* | -------------- dx | 2 | 5*x + 0*x + 1 | / ---------------------- 10
2 u = 5*x
/ | | 1 3* | ----- du | 1 + u | / 3*log(1 + u) ------------- = ------------ 10 10
/ | | 5*2*x + 0 3* | -------------- dx | 2 | 5*x + 0*x + 1 | / 2\ / 3*log\1 + 5*x / ---------------------- = --------------- 10 10
/ | | 1 | ------------------- dx | 2 | / ___ \ | \-\/ 5 *x + 0/ + 1 | /
___ v = -x*\/ 5
/ | | 1 | ------ dv = atan(v) | 2 | 1 + v | /
/ | ___ / ___\ | 1 \/ 5 *atan\x*\/ 5 / | ------------------- dx = ------------------- | 2 5 | / ___ \ | \-\/ 5 *x + 0/ + 1 | /
/1 2\ 3*log|- + x | ___ / ___\ \5 / \/ 5 *atan\x*\/ 5 / C + ------------- + ------------------- 10 5
/ | / 2\ ___ / ___\ | 3*x + 1 3*log\1 + 5*x / \/ 5 *atan\x*\/ 5 / | -------- dx = C + --------------- + ------------------- | 2 10 5 | 5*x + 1 | /
___ / ___\ 3*log(5) 3*log(6/5) \/ 5 *atan\\/ 5 / -------- + ---------- + ----------------- 10 10 5
=
___ / ___\ 3*log(5) 3*log(6/5) \/ 5 *atan\\/ 5 / -------- + ---------- + ----------------- 10 10 5
Данные примеры также можно применять при вводе верхнего и нижнего предела интегрирования.