Quadratic forms
Concept 6 of 17 in Integrals
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You know ∫dxx2+1=tan−1x+c\int \frac{dx}{x^2 + 1} = \tan^{-1}x + c∫x2+1dx=tan−1x+c. What is ∫dxx2+2x+2\int \frac{dx}{x^2 + 2x + 2}∫x2+2x+2dx?
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