Mathematics

Mathematics

Problem

Evaluate ∫dx9−(x−1)2\displaystyle \int \frac{dx}{\sqrt{9-(x-1)^{2}}}. a) cos⁡−1x−13+C\cos^{-1}\dfrac{x-1}{3}+C b) sin⁡−1x−13+C\sin^{-1}\dfrac{x-1}{3}+C c) ln⁡∣x−1+9−(x−1)2∣+C\ln\Bigl|x-1+\sqrt{9-(x-1)^{2}}\Bigr|+C d) sin⁡−1x3+C\sin^{-1}\dfrac{x}{3}+C

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