Menu Close

Category: Integration

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

Question Number 42791 by maxmathsup by imad last updated on 02/Sep/18 $${find}\:\:\int\:\:\:\:\frac{{dx}}{\left({x}^{\mathrm{2}\:} +\mathrm{1}\right)\sqrt{\mathrm{1}+{x}^{\mathrm{2}} }} \\ $$ Answered by MJS last updated on 02/Sep/18 $$\mathrm{I}\:\mathrm{know}\:\mathrm{this}\:\mathrm{because}\:\mathrm{of}\:\mathrm{the}\:\mathrm{hyperbola}\:\mathrm{formuls} \\…

1-calculate-0-t-1-t-4-dt-2-calculate-0-1-t-1-t-4-dt-3-calculste-1-t-1-t-4-dt-

Question Number 42790 by maxmathsup by imad last updated on 02/Sep/18 $$\left.\mathrm{1}\right)\:{calculate}\:\:\int_{\mathrm{0}} ^{\infty} \:\:\frac{{t}}{\mathrm{1}+{t}^{\mathrm{4}} }\:{dt} \\ $$$$\left.\mathrm{2}\right)\:{calculate}\:\int_{\mathrm{0}} ^{\mathrm{1}} \:\:\:\frac{{t}}{\mathrm{1}+{t}^{\mathrm{4}} }{dt} \\ $$$$\left.\mathrm{3}\right)\:{calculste}\:\int_{\mathrm{1}} ^{+\infty} \:\:\frac{{t}}{\mathrm{1}+{t}^{\mathrm{4}} }{dt}\:…