Example: Solve the equation:

y'''(x)+4y''(x)+3y'(x) = 0 ,           y(0) = 3 ,             y'(0) = 4 ,            y''(0) = -22

Solution:

L{y'''(x)} + 4L{y''(x)} + 3L{y'(x)} =0

باستخدام الكسور الجزئية

 

used deive6

 

DSOLVE2_IV(4, 3, 3, x, 0, 3, 4, -22)