A Level

MATHEMATICS · Single correct · A Level · Mathematics · Integration · Integration

Problem

Calculate ∫25(2x−1+1x+2)dx\displaystyle \int_{2}^{5} \left( \dfrac{2}{x-1}+\dfrac{1}{x+2} \right)dx. (a) ln⁡112\ln 112 (b) ln⁡28\ln 28 (c) ln⁡14\ln 14 (d) ln⁡7\ln 7

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