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Integral with ±xaxb\sqrt{\pm\frac{x-a}{x-b}}

79

xaxb dx=(xb)xaxb+(ba)ln(xa+xb)+C\int{\sqrt{\frac{x-a}{x-b}}}\ \mathrm{d}x=(x-b)\sqrt{\frac{x-a}{x-b}}+(b-a)\ln{\left(\sqrt{\left|x-a\right|}+\sqrt{\left|x-b\right|}\right)}+C
Derivation

80

xabx dx=(xb)xabx+(ba)arcsinxaba+C\int{\sqrt{\frac{x-a}{b-x}}}\ \mathrm{d}x=(x-b)\sqrt{\frac{x-a}{b-x}}+(b-a)\arcsin{\sqrt{\frac{x-a}{b-a}}}+C
Derivation