Question Number 62265 by azizullah last updated on 18/Jun/19 Commented by tanmay last updated on 18/Jun/19 $${question}\:{is}\:{not}\:{clear}… \\ $$ Answered by MJS last updated on…
Question Number 62263 by Tawa1 last updated on 18/Jun/19 Answered by behi83417@gmail.com last updated on 19/Jun/19 $$\mathrm{x}+\sqrt{\mathrm{x}−\mathrm{2}}=\mathrm{a}\Rightarrow\frac{\mathrm{2}}{\mathrm{a}}=\frac{\mathrm{1}}{\mathrm{x}+\sqrt{\mathrm{x}−\mathrm{2}}}=\frac{\mathrm{x}−\sqrt{\mathrm{x}−\mathrm{2}}}{\mathrm{1}} \\ $$$$\frac{\mathrm{2}}{\mathrm{a}}+\sqrt{\mathrm{a}}=\mathrm{3}\Rightarrow\mathrm{a}\sqrt{\mathrm{a}}−\mathrm{3a}+\mathrm{2}=\mathrm{0} \\ $$$$\sqrt{\mathrm{a}}=\mathrm{t}\Rightarrow\mathrm{t}^{\mathrm{3}} −\mathrm{3t}^{\mathrm{2}} +\mathrm{2}=\mathrm{0} \\ $$$$\Rightarrow\left(\mathrm{t}−\mathrm{1}\right)\left(\mathrm{t}^{\mathrm{2}}…
Question Number 62262 by maxmathsup by imad last updated on 18/Jun/19 $${find}\:{the}\:{value}\:{of}\: \\ $$$${I}\:=\int_{\mathrm{0}} ^{\infty} \:\:\frac{{e}^{−{t}} {sint}}{\:\sqrt{{t}}}{dt}\:\:{and}\:{J}\:=\int_{\mathrm{0}} ^{\infty} \:\:\frac{{e}^{−{t}} {cos}\left({t}\right)}{\:\sqrt{{t}}}{dt}\:\:,{study}\:{first}\:{the}\:{convergence}. \\ $$ Commented by maxmathsup…
Question Number 127793 by Dwaipayan Shikari last updated on 02/Jan/21 $$\underset{{n}=\mathrm{1}} {\overset{\infty} {\sum}}\frac{{n}}{{n}!}{cos}\left(\frac{\pi{n}}{\mathrm{5}}\right) \\ $$ Commented by Dwaipayan Shikari last updated on 03/Jan/21 $${I}\:{have}\:{found} \\…
Question Number 127788 by peter frank last updated on 02/Jan/21 Answered by mr W last updated on 02/Jan/21 $${AB}=\left[{ab}\right]=\mathrm{10}{a}+{b} \\ $$$${CD}=\left[{ba}\right]={a}+\mathrm{10}{b} \\ $$$${with}\:\mathrm{1}\leqslant{a},{b}\leqslant\mathrm{9} \\ $$$$…
Question Number 127789 by AyaDouae last updated on 02/Jan/21 Commented by khaki last updated on 02/Jan/21 $$\mathrm{how}\:\mathrm{cn}\:\mathrm{i}\:\mathrm{upload}\:\mathrm{my}\:\mathrm{qudstion}\:\mathrm{please}\:\mathrm{help}\:\mathrm{me} \\ $$ Commented by mr W last updated…
Question Number 62252 by hovea cw last updated on 18/Jun/19 $$\int\mathrm{ln}\left(\mathrm{x}+\mathrm{1}\right)/\left(\mathrm{x}^{\mathrm{2}} −\mathrm{x}+\mathrm{1}\right) \\ $$$$\mathrm{limit}\:=\left\{\:\mathrm{0}>\mathrm{2}\right\} \\ $$ Commented by maxmathsup by imad last updated on 18/Jun/19…
Question Number 62251 by hovea cw last updated on 18/Jun/19 $$\int\left(\mathrm{x}^{\mathrm{2}} −\mathrm{4}\right)^{\mathrm{1}/\mathrm{2}} \mathrm{dx} \\ $$$$\mathrm{trig}\:\mathrm{substitution}\:\mathrm{only} \\ $$ Commented by maxmathsup by imad last updated on…
Question Number 127787 by bemath last updated on 02/Jan/21 $$\:\mathrm{csc}^{\mathrm{2}} \left(\frac{\pi}{\mathrm{7}}\right)+\mathrm{csc}^{\mathrm{2}} \left(\frac{\mathrm{2}\pi}{\mathrm{7}}\right)+\mathrm{csc}^{\mathrm{2}} \left(\frac{\mathrm{3}\pi}{\mathrm{7}}\right)\:=?\: \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 127785 by Engr_Jidda last updated on 02/Jan/21 Terms of Service Privacy Policy Contact: info@tinkutara.com