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0-cos-z-z-2-1-dz-

Question Number 219344 by SdC355 last updated on 23/Apr/25 $$\int_{\mathrm{0}} ^{\:\infty} \:\frac{\mathrm{cos}\left({z}\right)}{\:\sqrt{{z}^{\mathrm{2}} +\mathrm{1}}}\:\mathrm{d}{z}=?? \\ $$ Answered by Nicholas666 last updated on 23/Apr/25 $${K}_{\mathrm{0}} \left(\mathrm{1}\right) \\…

x-x-2-y-2-da-

Question Number 219345 by SdC355 last updated on 23/Apr/25 $$\int_{−\infty} ^{+\infty} \int_{−\infty} ^{\:+\infty} \:\:−\frac{{x}}{\:\sqrt{{x}^{\mathrm{2}} +{y}^{\mathrm{2}} }}\:\mathrm{da}=???\:\: \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

F-x-y-z-x-x-2-y-2-z-2-e-1-y-x-2-y-2-z-2-e-2-z-x-2-y-2-z-2-e-3-x-2-y-2-z-2-R-2-S-F-dS-

Question Number 219340 by SdC355 last updated on 23/Apr/25 $$\overset{\rightarrow} {\boldsymbol{\mathrm{F}}}\left({x},{y},{z}\right)=−\frac{{x}}{\:\sqrt{{x}^{\mathrm{2}} +{y}^{\mathrm{2}} +{z}^{\mathrm{2}} }}\overset{\rightarrow} {\boldsymbol{\mathrm{e}}}_{\mathrm{1}} −\frac{{y}}{\:\sqrt{{x}^{\mathrm{2}} +{y}^{\mathrm{2}} +{z}^{\mathrm{2}} }}\overset{\rightarrow} {\boldsymbol{\mathrm{e}}}_{\mathrm{2}} −\frac{{z}}{\:\sqrt{{x}^{\mathrm{2}} +{y}^{\mathrm{2}} +{z}^{\mathrm{2}} }}\overset{\rightarrow} {\boldsymbol{\mathrm{e}}}_{\mathrm{3}}…

dx-1-sin-3-x-cos-3-x-

Question Number 219341 by alcohol last updated on 23/Apr/25 $$\int\frac{{dx}}{\mathrm{1}\:+\:{sin}^{\mathrm{3}} {x}\:+\:{cos}^{\mathrm{3}} {x}} \\ $$ Commented by Ghisom last updated on 23/Apr/25 $$\mathrm{simply}\:\mathrm{use}\:{t}=\mathrm{tan}\:\frac{{x}}{\mathrm{2}}\:\mathrm{and}\:\mathrm{decompose} \\ $$$$\mathrm{which}\:\mathrm{leads}\:\mathrm{to} \\…