Question Number 114539 by naka3546 last updated on 19/Sep/20 $$\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\:\left[\:\frac{\mathrm{sinh}\:{x}\:−\:\mathrm{sin}\:{x}}{{x}^{\mathrm{3}} }\:\right]\:\:=\:\:? \\ $$ Commented by bemath last updated on 20/Sep/20 $$\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\frac{\mathrm{1}}{\mathrm{2}}\left[\left(\mathrm{1}+{x}+\frac{{x}^{\mathrm{2}} }{\mathrm{2}}+\frac{{x}^{\mathrm{3}} }{\mathrm{6}}\right)−\left(\mathrm{1}−{x}+\frac{{x}^{\mathrm{2}}…
Question Number 49003 by mondodotto@gmail.com last updated on 01/Dec/18 $$\int\frac{\boldsymbol{\mathrm{log}{x}}}{\:\sqrt{\mathrm{1}−\boldsymbol{{x}}^{\boldsymbol{{x}}} }}\boldsymbol{\mathrm{d}{x}} \\ $$$$\boldsymbol{\mathrm{please}}\:\boldsymbol{\mathrm{help}}\:\boldsymbol{\mathrm{this}} \\ $$ Commented by maxmathsup by imad last updated on 01/Dec/18 $${I}\:=\int\:\:\:\frac{{ln}\left({x}\right)}{\:\sqrt{\mathrm{1}−{e}^{{xln}\left({x}\right)}…
Question Number 114536 by mohammad17 last updated on 19/Sep/20 Commented by Dwaipayan Shikari last updated on 19/Sep/20 $$ \\ $$$$ \\ $$ Commented by Dwaipayan…
Question Number 180062 by Matica last updated on 06/Nov/22 $${how}\:{do}\:{you}\:{write}\:{the}\:{parametric}\:{equation}\:{of}\:{a}\:{plan}\:{in}\:{space}?\:{it}\:{is}\:{given}\:\mathrm{3}\:{points}\: \\ $$$${A}\left({x}_{{A}} ,{y}_{{A}} ,{z}_{{A}} \right)\:;\:{B}\left({x}_{{B}} ,{y}_{{B}} ,{z}_{{B}} \right)\:{and}\:{C}\left({x}_{{C}} ,{y}_{{C}} ,{z}_{{C}} \right). \\ $$ Answered by…
Question Number 114514 by mohammad17 last updated on 19/Sep/20 Commented by bobhans last updated on 19/Sep/20 $$\left({B}\right)\:\overset{\rightarrow} {{u}}.\overset{\rightarrow} {{v}}\:=\:\mid\overset{\rightarrow} {{u}}\mid.\mid\overset{\rightarrow} {{v}}\mid\:\Leftrightarrow\:\mathrm{cos}\:\alpha=\mathrm{1} \\ $$$$\:\alpha=\mathrm{0}° \\ $$…
Question Number 48977 by ggny last updated on 30/Nov/18 Answered by $@ty@m last updated on 01/Dec/18 $${x}+\mathrm{4}=\mathrm{10}\left(\mathrm{2}{x}−\mathrm{3}\right) \\ $$$${x}+\mathrm{4}=\mathrm{20}{x}−\mathrm{30} \\ $$$$\mathrm{19}{x}=\mathrm{34} \\ $$$${x}=\frac{\mathrm{34}}{\mathrm{19}}=\mathrm{1}\frac{\mathrm{15}}{\mathrm{19}} \\ $$…
Question Number 48960 by ggny last updated on 30/Nov/18 $${help}\:{me}\:{sir}\:{plz} \\ $$ Answered by $@ty@m last updated on 01/Dec/18 $${sure}… \\ $$$${but}\:{what}\:{is}\:{the}\:{question}? \\ $$$${and}\:{what}\:{do}\:\mathrm{N},\:\beta\:\:{and}\:\gamma\:{stand}\:{for}? \\…
Question Number 48956 by ggny last updated on 30/Nov/18 $$\frac{{x}+\mathrm{0}.\mathrm{2}}{{x}−\mathrm{0}.\mathrm{2}}=\frac{\mathrm{1}.\mathrm{2}}{\mathrm{2}.\mathrm{2}} \\ $$$${sir}\:{plz}\:{help}\:{me} \\ $$ Answered by kaivan.ahmadi last updated on 30/Nov/18 $$\mathrm{2}.\mathrm{2x}+\mathrm{0}.\mathrm{44}=\mathrm{1}.\mathrm{2x}−\mathrm{0}.\mathrm{24}\Rightarrow \\ $$$$\mathrm{2}.\mathrm{2x}−\mathrm{1}.\mathrm{2x}=−\mathrm{0}.\mathrm{44}−\mathrm{0}.\mathrm{24}\Rightarrow \\…
Question Number 48953 by somil last updated on 30/Nov/18 Commented by $@ty@m last updated on 01/Dec/18 $${Inadequate}\:{information}. \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 48952 by somil last updated on 30/Nov/18 Answered by $@ty@m last updated on 01/Dec/18 $$\left({i}\right)\:{In}\bigtriangleup{ABD}\:{and}\:\bigtriangleup{BAC}, \\ $$$${AD}={BC} \\ $$$$\angle{BAD}=\angle{BAC} \\ $$$${AB}={AB} \\ $$$$\therefore\:\bigtriangleup{ABD}\:\cong\:\bigtriangleup{BAC}\:{by}\:{SAS}\:{axiom}…