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Category: Integration

Question-55560

Question Number 55560 by Tawa1 last updated on 26/Feb/19 Answered by tanmay.chaudhury50@gmail.com last updated on 27/Feb/19 x=tana$$\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}} \frac{{sec}^{\mathrm{6}} {a}×{sec}^{\mathrm{2}} {ada}}{\left({tan}^{\mathrm{4}} {a}+{sec}^{\mathrm{2}} {a}\right)^{\frac{\mathrm{5}}{\mathrm{2}}}…

Question-55467

Question Number 55467 by peter frank last updated on 24/Feb/19 Commented by tanmay.chaudhury50@gmail.com last updated on 25/Feb/19 thinkingdifferentway$$\int_{\mathrm{0}} ^{\infty} \frac{{dx}}{\mathrm{1}+{x}^{\mathrm{2}} }>\int_{\mathrm{0}} ^{\infty} \frac{{cos}\left({lnx}\right)}{\mathrm{1}+{x}^{\mathrm{2}}…

let-f-a-0-ln-x-x-2-a-with-a-gt-0-1-calculate-f-a-intermsof-a-2-find-the-values-of-0-ln-x-x-2-1-dx-and-0-ln-x-x-2-2-dx-3-let-g-a-0-ln-x-

Question Number 55454 by maxmathsup by imad last updated on 24/Feb/19 letf(a)=0ln(x)x2+awitha>01)calculatef(a)intermsofa$$\left.\mathrm{2}\right)\:{find}\:{the}\:{values}\:{of}\:\int_{\mathrm{0}} ^{\infty} \:\frac{{ln}\left({x}\right)}{{x}^{\mathrm{2}} +\mathrm{1}}{dx}\:{and}\:\int_{\mathrm{0}} ^{\infty} \:\:\frac{{ln}\left({x}\right)}{{x}^{\mathrm{2}} \:+\mathrm{2}}{dx}…

Question-186527

Question Number 186527 by Mingma last updated on 05/Feb/23 Answered by ARUNG_Brandon_MBU last updated on 05/Feb/23 I=cosxsin2x+sinx+1dx,s=sinx=dss2+s+1=ds(s+12)2+34$$\:\:=\frac{\mathrm{2}}{\:\sqrt{\mathrm{3}}}\mathrm{arctan}\left(\frac{\mathrm{2}{s}+\mathrm{1}}{\:\sqrt{\mathrm{3}}}\right)+{C} \

Question-120970

Question Number 120970 by Algoritm last updated on 04/Nov/20 Answered by mathmax by abdo last updated on 04/Nov/20 I=0πln(1+cosx2)cosxdxletf(a)=0πln(1+acosx)cosxdxwitha∣<1$$\mathrm{I}\:=\mathrm{f}\left(\frac{\mathrm{1}}{\mathrm{2}}\right)\:\:\mathrm{we}\:\mathrm{hsve}\:\mathrm{f}^{'}…