Question Number 205396 by MathedUp last updated on 20/Mar/24 $$\mathrm{Can}'\mathrm{t}\:\mathrm{understand}\:\mathrm{why} \\ $$$$\int_{\mathrm{0}} ^{\infty} \left[{e}_{\:} ^{\mathrm{sin}\left({z}\right)} −{e}^{\mathrm{cos}\left({z}\right)} \right]\mathrm{d}{z}\:\mathrm{isn}'{t}\:\frac{\mathrm{1}}{\mathrm{2}}\pi\left(\boldsymbol{\mathrm{I}}_{\mathrm{0}} ^{\:} \left(\mathrm{1}\right)−\boldsymbol{\mathrm{L}}_{\mathrm{0}} \left(\mathrm{1}\right)\right)\approx\mathrm{3}.\mathrm{104}… \\ $$$$\mathrm{I}\:\mathrm{Just}\:\mathrm{guessing}\:{f}\left(\mathrm{0}\right)=\:\frac{\mathrm{1}}{\mathrm{2}}\pi\boldsymbol{\mathrm{I}}_{\mathrm{0}} \left(\mathrm{1}\right)−\boldsymbol{\mathrm{L}}_{\mathrm{0}} \left(\mathrm{1}\right) \\…
Question Number 205371 by 073 last updated on 19/Mar/24 Commented by lepuissantcedricjunior last updated on 19/Mar/24 $$\boldsymbol{\mathrm{I}}=\int_{\mathrm{0}} ^{\mathrm{2}} \boldsymbol{\mathrm{log}}\left(\boldsymbol{\mathrm{x}}^{\mathrm{3}} +\mathrm{8}\right)\boldsymbol{\mathrm{dx}} \\ $$$$\boldsymbol{\mathrm{posons}}\:\begin{cases}{\boldsymbol{\mathrm{u}}=\boldsymbol{\mathrm{log}}\left(\boldsymbol{\mathrm{x}}^{\mathrm{3}} +\mathrm{8}\right)}\\{\boldsymbol{\mathrm{v}}'=\mathrm{1}}\end{cases}\Leftrightarrow\begin{cases}{\boldsymbol{\mathrm{u}}'=\frac{\mathrm{3}\boldsymbol{{x}}^{\mathrm{2}} }{\left(\boldsymbol{{x}}^{\mathrm{3}} +\mathrm{8}\right)\boldsymbol{\mathrm{ln}}\mathrm{10}}}\\{\boldsymbol{\mathrm{v}}=\boldsymbol{\mathrm{x}}}\end{cases}…
Question Number 205360 by Davidtim last updated on 18/Mar/24 Answered by A5T last updated on 18/Mar/24 Commented by A5T last updated on 19/Mar/24 $${FE}={EG};{EB}=\sqrt{\mathrm{4}^{\mathrm{2}} +\left(\mathrm{3}−{FE}\right)^{\mathrm{2}}…
Question Number 205323 by liuxinnan last updated on 16/Mar/24 $${If}\:\:\:\:{log}_{\sqrt{\frac{{a}^{\mathrm{2}} +{b}^{\mathrm{2}} }{\mathrm{2}}}} \frac{{a}+{b}}{{b}}\geqslant{log}_{\sqrt{{ab}}} \frac{\mathrm{2}}{\frac{\mathrm{1}}{{a}}+\frac{\mathrm{1}}{{b}}} \\ $$$${when}\:{a}>\mathrm{1}\:{b}>\mathrm{1} \\ $$ Commented by liuxinnan last updated on 17/Mar/24…
Question Number 205332 by SANOGO last updated on 16/Mar/24 $${determin} \\ $$$$\left.{a}\right)\:\underset{{n}\epsilon{N}^{\ast} } {{U}}\left(\mathrm{1},\frac{\mathrm{1}}{{n}}\right) \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
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Question Number 205172 by shunmisaki007 last updated on 12/Mar/24 $${x}\left({t}\right)={c}+{tx}'\left({t}\right)\:\mid\:{c}\:\mathrm{is}\:\mathrm{constant}. \\ $$$$\left(\mathrm{1}\right)\:\mathrm{Find}\:{x}\left({t}\right). \\ $$$$\left(\mathrm{2}\right)\:\mathrm{Find}\:{x}\left({t}\right)\:\mathrm{when}\:{x}\left(\mathrm{0}\right)={x}_{\mathrm{0}} . \\ $$ Commented by lepuissantcedricjunior last updated on 12/Mar/24 $$\boldsymbol{{x}}\left(\boldsymbol{{t}}\right)=\boldsymbol{{c}}+\boldsymbol{{tx}}'\left(\boldsymbol{{t}}\right)\:\boldsymbol{{c}}\in\mathbb{R}…
Question Number 205141 by Tinku Tara last updated on 10/Mar/24 $$\mathrm{Server}\:\mathrm{is}\:\mathrm{back}\:\mathrm{up}\:\mathrm{and}\:\mathrm{running}. \\ $$$$\mathrm{Post}\:\mathrm{a}\:\mathrm{message}\:\mathrm{if}\:\mathrm{you}\:\mathrm{face}\:\mathrm{any}\:\mathrm{issues}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 205138 by Thokna last updated on 10/Mar/24 $${A}=\underset{{x}\rightarrow\mathrm{0}\:\:} {\mathrm{lim}}\frac{\mathrm{1}−\mathrm{cos2}{x}}{\mathrm{2}{x}^{\mathrm{2}} } \\ $$$$\:\:\:\:=\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\frac{\mathrm{2sin}^{\mathrm{2}} {x}}{\mathrm{2}{x}^{\mathrm{2}} } \\ $$$$\:\:\:\:=\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\left(\frac{\mathrm{sin}{x}}{{x}}\right)^{\mathrm{2}} =\mathrm{1} \\ $$$${B}=\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\mathrm{1}}{{x}\mathrm{cot}{x}} \\…
Question Number 205054 by SANOGO last updated on 06/Mar/24 $${prove} \\ $$$$\left({lim}\:{sup}\left({A}_{{n}} \right)\right)^{{c}} =\:{lim}\:{inf}\left({A}_{{n}} ^{{c}} \right) \\ $$ Commented by aleks041103 last updated on 11/Mar/24…