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Category: Integration

let-f-t-0-pi-2-ln-cosx-t-sinx-1-calculate-f-0-2-calculate-f-t-then-find-a-simple-form-of-f-t-3-calculate-0-pi-2-ln-cosx-2-sinx-dx-4-calculate-0-pi-2-ln-3-cosx-sinx-d

Question Number 40044 by abdo mathsup 649 cc last updated on 15/Jul/18 letf(t)=0π2ln(cosx+tsinx)1)calculatef(0)2)calculatef(t)thenfindasimpleformoff(t)$$\left.\mathrm{3}\right)\:{calculate}\:\:\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}} {ln}\left({cosx}\:+\mathrm{2}\:{sinx}\right){dx} \

Question-171108

Question Number 171108 by akolade last updated on 08/Jun/22 Answered by qaz last updated on 08/Jun/22 $$\int_{\mathrm{0}} ^{\mathrm{1}} \frac{\mathrm{x}^{\mathrm{3}} −\mathrm{2x}^{\mathrm{4}} +\mathrm{x}^{\mathrm{5}} }{\left(\mathrm{x}+\mathrm{1}\right)^{\mathrm{7}} }\mathrm{dx}=\int_{\mathrm{1}} ^{\mathrm{2}} \frac{\left(\mathrm{x}−\mathrm{1}\right)^{\mathrm{3}}…