Integral de (-x+1)*exp(-s*x) dx
Solución
Respuesta (Indefinida)
[src]
// 2 \
|| x |
|| -- for s = 0|
|| 2 |
/ // x for s = 0\ || |
| || | ||/ -s*x |
| -s*x || -s*x | |||e 2 |
| (-x + 1)*e dx = C - (-1 + x)*|<-e | + |<|----- for s != 0 |
| ||------- otherwise| ||| 2 |
/ || s | ||< s otherwise|
\\ / ||| |
||| -x |
||| --- otherwise |
||\ s |
\\ /
∫(1−x)e−sxdx=C−(x−1)({x−se−sxfors=0otherwise)+⎩⎨⎧2x2{s2e−sx−sxfors2=0otherwisefors=0otherwise
/ -s
|e 1 - s
|--- - ----- for And(s > -oo, s < oo, s != 0)
< 2 2
| s s
|
\ 1/2 otherwise
{−s21−s+s2e−s21fors>−∞∧s<∞∧s=0otherwise
=
/ -s
|e 1 - s
|--- - ----- for And(s > -oo, s < oo, s != 0)
< 2 2
| s s
|
\ 1/2 otherwise
{−s21−s+s2e−s21fors>−∞∧s<∞∧s=0otherwise
Piecewise((exp(-s)/s^2 - (1 - s)/s^2, (s > -oo)∧(s < oo)∧(Ne(s, 0))), (1/2, True))
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.