- #1
pergradus
- 138
- 1
Homework Statement
Find a particular solution by method of variation of parameters:
t2y'' - 2y = 3t2 - 1
given:
y1 = t2
y2 = t-1
Homework Equations
The Attempt at a Solution
I get [tex]Y(t) = t^2ln(t) - \frac{1}{3}t^2 + \frac{1}{2}[/tex]
The book gives [tex] Y(t) = t^2ln(t) + \frac{1}{2} [/tex]
I don't understand why they are off by the 1 term?