Can someone help me with this please
D^2Y +2DY +2Y=SinX
DX^2 DX
Find the G.S. given that the CF is e^-x(C1Cosx+C2SinX)
Hello, Mathsnewbie!
What methods have you been taught?
And there is a typo . . .
Undetermined Coefficients
Find the G.S. given that the CF is:
Let: .[1]
. . .[2]
. . .[3]
Add [1], [2], [3]: .
And we have: .
Solve the system: .
. . Hence, the particular solution is: .
The General Solution is: .