- #1
kuahji
- 394
- 2
Undetermined Coefficients to solve.
y'''-6y''=3-cosx
So I set everything up, get my system & I get an answer of
y=c1+c2x+c3e^(6x)-6/37cosx+1/37sinx
the book has y=c1+c2x+c3e^(6x)-6/37cosx+1/37sinx-1/4x^2.
So I'm not sure where the book gets the last term, any ideas?
y'''-6y''=3-cosx
So I set everything up, get my system & I get an answer of
y=c1+c2x+c3e^(6x)-6/37cosx+1/37sinx
the book has y=c1+c2x+c3e^(6x)-6/37cosx+1/37sinx-1/4x^2.
So I'm not sure where the book gets the last term, any ideas?