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Category: Integration

pi-4-pi-cos2x-dx-

Question Number 8806 by tawakalitu last updated on 28/Oct/16 $$\int_{\frac{\pi}{\mathrm{4}}} ^{\pi} \mathrm{cos2x}\:\mathrm{dx} \\ $$ Commented by ridwan balatif last updated on 29/Oct/16 $$\int_{\frac{\pi}{\mathrm{4}}} ^{\pi} \mathrm{cos2x}\:\mathrm{dx}=\:\frac{\mathrm{1}}{\mathrm{2}}×\left(\mathrm{sin2x}\right)\underset{\frac{\pi}{\mathrm{4}}}…

f-x-4-3-2-1-3-

Question Number 8794 by faster1998 last updated on 28/Oct/16 $${f}\left({x}\right)=×^{\frac{\mathrm{4}}{\mathrm{3}}} −\mathrm{2}×^{\frac{\mathrm{1}}{\mathrm{3}}} \\ $$ Commented by ridwan balatif last updated on 28/Oct/16 $$\mathrm{f}\left(\mathrm{x}\right)\:=\mathrm{x}^{\frac{\mathrm{1}}{\mathrm{3}}} .\mathrm{x}−\mathrm{2x}^{\frac{\mathrm{1}}{\mathrm{3}}} \\ $$$$\mathrm{f}\left(\mathrm{x}\right)\:=\mathrm{x}^{\frac{\mathrm{1}}{\mathrm{3}}}…