Category: Integration

Question Number 27613 by abdo imad last updated on 10/Jan/18 $$findthevalueof{\int }_0^{\mathrm{\infty }}{e}^{-\left[x\right]-x}dx.$$ Commented by abdo imad last updated on 12/Jan/18 $${I}_{{n}}…

Question Number 27612 by NECx last updated on 10/Jan/18 $$\int \frac{1}{3+{cos}^{2}x}dx$$ Answered by ajfour last updated on 11/Jan/18 $$=\int\frac{\mathrm{sec}\:^{\mathrm{2}} {xdx}}{\mathrm{3sec}\:^{\mathrm{2}} {x}+\mathrm{1}}=\int\frac{{d}\left(\mathrm{tan}\:{x}\right)}{\mathrm{4}+\mathrm{3tan}\:^{\mathrm{2}} {x}} \…

Question Number 27611 by NECx last updated on 10/Jan/18 $$\int \frac{1}{2\sin {}^{2}x+4\cos {}^{2}x}dx$$ Answered by ajfour last updated on 11/Jan/18 $$=\int\frac{\mathrm{sec}\:^{\mathrm{2}} {xdx}}{\mathrm{2tan}\:^{\mathrm{2}} {x}+\mathrm{4}}=\int\frac{{dt}}{\mathrm{2}{t}^{\mathrm{2}} +\mathrm{4}}\:\:;\left({t}=\mathrm{tan}\:{x}\right)…

Question Number 27600 by abdo imad last updated on 10/Jan/18 $$find{\int }_0^{\pi }\frac{t}{2+sint}dt$$ Commented by abdo imad last updated on 11/Jan/18 $${let}\:{put}\:{I}=\int_{\mathrm{0}} ^{\pi}…

Question Number 27597 by abdo imad last updated on 10/Jan/18 $$find\int \frac{\sqrt{cos\left(2x\right)}}{cosx}dx.$$ Terms of Service Privacy Policy Contact: info@tinkutara.com