Mathematics

Mathematics

Problem

Evaluate ∫2x+9x2+5x+10 dx\displaystyle \int \frac{2x+9}{x^{2}+5x+10}\,dx. a) ln⁡∣x2+5x+10∣−815tan⁡−12x+515+C\ln|x^{2}+5x+10|-\dfrac{8}{\sqrt{15}}\tan^{-1}\dfrac{2x+5}{\sqrt{15}}+C b) ln⁡∣x2+5x+10∣+815tan⁡−12x+515+C\ln|x^{2}+5x+10|+\dfrac{8}{\sqrt{15}}\tan^{-1}\dfrac{2x+5}{\sqrt{15}}+C c) ln⁡∣x2+5x+10∣+415tan⁡−12x+515+C\ln|x^{2}+5x+10|+\dfrac{4}{\sqrt{15}}\tan^{-1}\dfrac{2x+5}{\sqrt{15}}+C d) 815tan⁡−12x+515+C\dfrac{8}{\sqrt{15}}\tan^{-1}\dfrac{2x+5}{\sqrt{15}}+C

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