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Spoiler-How it should be done
Spoiler-How it should be done
\displaystyle \int^b_a \arccos \left(\frac{x}{\sqrt{\left(a+b \right)x - ab\right)}}\right)\ dx
Spoiler
\displaystyle \int^b_a \arccos \left(\frac{x}{\sqrt{\left(a+b \right)x - ab\right)}}\right)\ dx
\displaystyle \int^b_a \arccos \left(\frac{x}{\sqrt{\left(a+b \right)x - ab\right)}}\right)\ dx = \int^b_a \frac{ax+bx-2ab}{2(a+b)(\sqrt{ax+bx-ab-x^2})}dx
\displaystyle \int^b_a \arccos \left(\frac{x}{\sqrt{\left(a+b \right)x - ab\right)}}\right)\ dx = \int^b_a \frac{ax+bx-2ab}{2(a+b)(\sqrt{ax+bx-ab-x^2})}dx
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