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Category: Integration

find-2-3-x-1-x-1-x-dx-

Question Number 30182 by abdo imad last updated on 17/Feb/18 find23x+1x1xdx. Commented by abdo imad last updated on 21/Feb/18 $${let}\:{put}\:\sqrt{\frac{{x}+\mathrm{1}}{{x}−\mathrm{1}}}\:={t}\:\Leftrightarrow\frac{{x}+\mathrm{1}}{{x}−\mathrm{1}}\:={t}^{\mathrm{2}} \:\:\Leftrightarrow{x}+\mathrm{1}=−{t}^{\mathrm{2}}…