1 / | | -b*x | x*E dx | / 0
Integral(x*E^((-b)*x), (x, 0, 1))
// -b*x \ ||(-1 - b*x)*e 2 | / ||---------------- for b != 0| | || 2 | | -b*x || b | | x*E dx = C + |< | | || 2 | / || x | || -- otherwise | || 2 | \\ /
/ -b |1 (-1 - b)*e |-- + ------------ for And(b > -oo, b < oo, b != 0) < 2 2 |b b | \ 1/2 otherwise
=
/ -b |1 (-1 - b)*e |-- + ------------ for And(b > -oo, b < oo, b != 0) < 2 2 |b b | \ 1/2 otherwise
Piecewise((b^(-2) + (-1 - b)*exp(-b)/b^2, (b > -oo)∧(b < oo)∧(Ne(b, 0))), (1/2, True))
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.