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Question Number 62754 by aliesam last updated on 24/Jun/19 $$\left.\mathrm{1}\right)\int\frac{{dx}}{\mathrm{1}−{sin}\left({x}\right)} \\ $$$$ \\ $$$${R}\:{solve}\:{in}\left(\mathrm{2}\right) \\ $$$$ \\ $$$$\left(\mathrm{4}−{x}\right)^{\mathrm{4}} +{x}^{\mathrm{4}} =\mathrm{82} \\ $$ Commented by Tony…

Question Number 128241 by MJS_new last updated on 05/Jan/21 $$\left(\mathrm{1}\right)\:\mathrm{just}\:\mathrm{bought}\:\mathrm{premium}.\:\mathrm{I}\:\mathrm{would}\:\mathrm{be}\:\mathrm{willing} \\ $$$$\mathrm{to}\:\mathrm{pay}\:\mathrm{more}.\:\mathrm{I}\:\mathrm{suggest}\:\mathrm{a}\:“\mathrm{donate}''\:\mathrm{possibility} \\ $$$$\left(\mathrm{2}\right)\:\mathrm{saving}\:\mathrm{an}\:\mathrm{email}\:\mathrm{doesn}'\mathrm{t}\:\mathrm{work};\:\mathrm{at}\:\mathrm{least}\:\mathrm{the} \\ $$$$\mathrm{website}\:\mathrm{returns}\:“{fail}'' \\ $$ Commented by Tinku Tara last updated on…

Question Number 128216 by SOMEDAVONG last updated on 05/Jan/21 $$\mathrm{Give}\:\mathrm{G}\:\mathrm{is}\:\mathrm{group}\:\mathrm{and}\:\mathrm{N},\mathrm{Q}\leqslant\mathrm{G}.\mathrm{Show}\:\mathrm{that}\: \\ $$$$\mathrm{for}\:\mathrm{x},\mathrm{y}\in\mathrm{G}\:\mathrm{which}\:\mathrm{xN}=\mathrm{yQ}\Rightarrow\mathrm{N}=\mathrm{Q}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 62666 by azizullah last updated on 24/Jun/19 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 128179 by bounhome last updated on 05/Jan/21 $${show}\:{me}\:{that}\:{y}={x}^{\mathrm{2}} +\mathrm{4}{x}−\mathrm{6}\:{is}\:{the}\:{solution}\:{of} \\ $$$${y}''−{y}'+\mathrm{2}\left({x}+\mathrm{1}\right)=\mathrm{0} \\ $$ Answered by bemath last updated on 05/Jan/21 $$\:\mathrm{y}=\mathrm{x}^{\mathrm{2}} +\mathrm{4x}−\mathrm{6}\:\rightarrow\begin{cases}{\mathrm{y}'=\mathrm{2x}+\mathrm{4}}\\{\mathrm{y}''=\mathrm{2}}\end{cases} \\…