- #1
HACR
- 37
- 0
Homework Statement
solve for y(x).
[tex]y"'-6y"+11y'-6=e^{4x} [/tex]
Homework Equations
Wronskian determinant. Method of variations.
The Attempt at a Solution
Supposing that [u', v', w'] are the solutions, wronskian det=W is [tex]10e^{6x} [/tex]By use of [tex] x_k=\frac{det(M_{k})}{det(x)}[/tex], I got [tex]u'=\frac{1}{4}e^{8x},v'=\frac{-1}{9}e^{9x}, w'=\frac{-1}{7}e^{7x}[/tex]. Integration gives [tex]y=\frac{1}{10}e^{2x}-\frac{1}{30}e^{3x}-\frac{e^{x}}{10}[/tex].
Last edited: