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Category: Integration

let-I-n-0-1-1-x-1-1-x-n-n-dx-and-J-n-1-n-1-x-1-x-n-n-dx-n-integr-not-0-1-prove-that-lim-I-n-0-1-1-e-x-x-dx-lim-J-n-0-1-e-1-x-x-dx-n-2-

Question Number 33342 by prof Abdo imad last updated on 14/Apr/18 $${let}\:{I}_{{n}} =\:\int_{\mathrm{0}} ^{\mathrm{1}} \:\frac{\mathrm{1}}{{x}}\left(\mathrm{1}−\left(\mathrm{1}−\frac{{x}}{{n}}\right)^{{n}} \right){dx}\:{and} \\ $$$${J}_{{n}} \:=\:\int_{\mathrm{1}} ^{{n}} \:\frac{\mathrm{1}}{{x}}\left(\mathrm{1}−\frac{{x}}{{n}}\right)^{{n}} {dx}\:\:,{n}\:{integr}\:{not}\:\mathrm{0} \\ $$$$\left.\mathrm{1}\right)\:{prove}\:{that}\:{lim}_{} \:{I}_{{n}}…

decompose-F-x-x-2-x-4-1-imside-R-x-2-find-the-value-of-2-x-2-x-4-1-

Question Number 33334 by prof Abdo imad last updated on 14/Apr/18 $${decompose}\:{F}\left({x}\right)=\:\frac{{x}^{\mathrm{2}} }{{x}^{\mathrm{4}} \:−\mathrm{1}}\:{imside}\:{R}\left({x}\right)\: \\ $$$$\left.\mathrm{2}\right)\:{find}\:{the}\:{value}\:{of}\:\:\:\:\int_{\mathrm{2}} ^{+\infty} \:\:\frac{{x}^{\mathrm{2}} }{{x}^{\mathrm{4}} \:−\mathrm{1}}\:\:. \\ $$ Commented by prof…