Quadratic forms
Concept 7 of 17 in Integrals
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∫2x+2x2+2x+3 dx\int \frac{2x + 2}{x^2 + 2x + 3}\,dx∫x2+2x+32x+2dx =log∣x2+2x+3∣+c= \log|x^2 + 2x + 3| + c=log∣x2+2x+3∣+c, because the top is the derivative of the bottom. What if the top is 2x+72x + 72x+7 instead?
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