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- Determine the integrating factor for solving the DE (simplify your answer, but do NOT solve the DE): (x^2 + 5x)y' - xy = 3x - 1
- solution
- (x^2+5x)y'-xy=3x-1
- comapre with linear first order o.d.e.
- dy /dx + P(x)y = Q(x)
- p(x)= -\frac{x}{x^2+5x}= -\frac{1}{x+5}
- IF= e^{\int p(x)}dx
- IF= e^{\int -\frac{1}{x+5}}dx
- IF= e^{-ln|x+5|}
- IF= \frac{1}{x+5}
- IF= e R P (x)dx
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