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How do I integrate [math]\dfrac{1+x}{x^2 + 3x + 1} \mathrm{d}x[/math] ?
I'm stuck on this integral: [math]\dfrac{1+x}{x^2 + 3x + 1} \mathrm{d}x[/math]. How do I integrate it?
Have you tried using partial fractions to break up the integrand?