Evaluate - -2x-5x2-5x-1dx

I=∫2x+5x^2+5x+1dx t=x^2+5x+1 2x+5dx=dt I=∫1t dt I=log t+c I=log (x^2+5x+1)+c ...

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First Fundamental Theorem of Calculus

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Question

Evaluate : $\int \frac{2 x + 5}{x^{2} + 5 x + 1} d x$

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Solution

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