Question Number 89422 by naka3546 last updated on 17/Apr/20 Commented by jagoll last updated on 17/Apr/20 $${f}\left({x}\right)\:=\:\left({x}+\mathrm{2}\right)\left({x}+\mathrm{1}\right) \\ $$$${f}\left({A}\right)\:=\:\left({A}+\mathrm{2}{I}\right)\left({A}+{I}\right)\: \\ $$$$ \\ $$ Answered by…
Question Number 89399 by mathocean1 last updated on 17/Apr/20 $$\mathrm{Hi}. \\ $$$$\mathrm{A}\:\mathrm{ballot}\:\mathrm{box}\:\mathrm{contains}\:\mathrm{3}\:\mathrm{red}\:\mathrm{balls},\:\mathrm{4}\:\mathrm{blues} \\ $$$$\mathrm{balls}\:\mathrm{and}\:\mathrm{5}\:\mathrm{white}\:\mathrm{balls}. \\ $$$$\mathrm{we}\:\mathrm{draw}\:\mathrm{successively}\:\mathrm{3}\:\mathrm{balls}\:\mathrm{in}\:\mathrm{ballot}\:\mathrm{box}\: \\ $$$$\mathrm{by}\:\mathrm{re}−\mathrm{puting}\:\mathrm{the}\:\mathrm{drawn}\:\mathrm{balls}. \\ $$$$\left.\mathrm{1}\right)\mathrm{Calculate}\:\mathrm{the}\:\mathrm{number}\:\mathrm{of}\:\mathrm{draws}\: \\ $$$$\mathrm{containing}\:\mathrm{one}\:\mathrm{ball}\:\mathrm{of}\:\mathrm{each}\:\mathrm{color}. \\ $$ Commented…
Question Number 154907 by ZiYangLee last updated on 23/Sep/21 $$\int_{\mathrm{2}} ^{\:\mathrm{8}} \:{e}^{\mathrm{2}{x}} \:\mathrm{cos}^{\mathrm{2}} {x}\:{dx}=? \\ $$ Commented by 7770 last updated on 23/Sep/21 $$ \\…
Question Number 154902 by SANOGO last updated on 23/Sep/21 $$\int_{\mathrm{0}} ^{\frac{\mathrm{3}}{\mathrm{2}}} {E}\left({x}^{\mathrm{2}} \right){dx} \\ $$ Commented by puissant last updated on 24/Sep/21 $${I}=\mathrm{2}−\sqrt{\mathrm{2}}.. \\ $$…
Question Number 154880 by saly last updated on 22/Sep/21 Answered by Ar Brandon last updated on 22/Sep/21 $${I}_{\mathrm{1}} =\int\frac{\sqrt{{x}^{\mathrm{2}} +\mathrm{9}}}{{x}^{\mathrm{3}} }{dx},\:{x}=\mathrm{3sh}\vartheta \\ $$$$\:\:\:\:=\frac{\mathrm{1}}{\mathrm{3}}\int\frac{\mathrm{ch}^{\mathrm{2}} \vartheta}{\mathrm{sh}^{\mathrm{3}} \vartheta}{d}\vartheta=\frac{\mathrm{1}}{\mathrm{3}}\int\mathrm{cth}^{\mathrm{2}}…
Question Number 154877 by SANOGO last updated on 22/Sep/21 $$\int_{\frac{\pi}{\mathrm{2}}} ^{\frac{\pi}{\mathrm{4}}} {sin}^{\mathrm{3}} \left({x}\right){cos}^{\mathrm{2}} \left({x}\right){dx} \\ $$ Commented by saly last updated on 24/Sep/21 $$\:{thank}\:{you} \\…
Question Number 154860 by Jamshidbek last updated on 22/Sep/21 $$\frac{\mathrm{1}}{\mathrm{n}+\mathrm{1}}+\frac{\mathrm{1}}{\mathrm{n}+\mathrm{2}}+\frac{\mathrm{1}}{\mathrm{n}+\mathrm{3}}+…+\frac{\mathrm{1}}{\mathrm{2n}}<\frac{\mathrm{3}}{\mathrm{4}}\:\mathrm{n}>\mathrm{1} \\ $$$$\mathrm{Prove}\:\mathrm{that} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 154849 by naka3546 last updated on 22/Sep/21 $${ax}\:+\:{y}\:+\:{z}\:=\:\mathrm{1} \\ $$$${x}\:+\:{ay}\:+\:{z}\:=\:{a} \\ $$$${x}\:+\:{y}\:+\:{az}\:=\:{a}^{\mathrm{2}} \\ $$$${Find}\:\:{value}\:\:{of}\:\:{x},\:{y},\:{z}\:\:\:{in}\:\:{a}\:. \\ $$ Answered by Mr.D.N. last updated on 24/Sep/21…
Question Number 154846 by SANOGO last updated on 22/Sep/21 $${y}'=\frac{{y}\:{cos}\left({x}\right)}{\mathrm{1}+\mathrm{2}{y}^{\mathrm{2}} } \\ $$$${trouve}\:{la}\:{solution}\:{de}\:{lequation}\:{differentielle} \\ $$ Commented by tabata last updated on 22/Sep/21 $$\frac{\boldsymbol{{dy}}}{\boldsymbol{{dx}}}\:=\:\frac{\boldsymbol{{y}}}{\mathrm{1}+\mathrm{2}\boldsymbol{{y}}^{\mathrm{2}} }\:\boldsymbol{{cos}}\left(\boldsymbol{{x}}\right)\: \\…
Question Number 23767 by icyfalcon999 last updated on 05/Nov/17 $$\mathrm{suppose}\:\mathrm{that}\:\mathrm{n}\:\mathrm{is}\:\mathrm{the}\:\mathrm{number}\:\mathrm{of} \\ $$$$\mathrm{balls}\:\mathrm{in}\:\mathrm{a}\:\mathrm{basket}.\mathrm{If}\:\mathrm{pronability}\:\mathrm{of} \\ $$$$\mathrm{pulling}\:\mathrm{A}\:\mathrm{and}\:\mathrm{B}\:\mathrm{together}\:\mathrm{is}\:\mathrm{0}.\mathrm{05} \\ $$$$\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{n}? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com