Question Number 12435 by Mr Chheang Chantria last updated on 22/Apr/17 $$\boldsymbol{\mathrm{Solve}}\:\boldsymbol{\mathrm{equation}} \\ $$$$\:\:\boldsymbol{{X}}_{\mathrm{4}} −\mathrm{3}\boldsymbol{{X}}_{\mathrm{2}} +\mathrm{2}=\mathrm{0} \\ $$ Commented by mrW1 last updated on 22/Apr/17…
Question Number 12432 by mrW1 last updated on 22/Apr/17 $${To}\:{Tinku}\:{Tara}: \\ $$$${it}\:{is}\:{not}\:{possible}\:{to}\:{post}\:{long}\:{and}\:{narrow} \\ $$$${images},\:{since}\:{the}\:{button}\:'{Submit}'\:{is} \\ $$$${not}\:{visible}.\:{Can}\:{you}\:{please}\:{solve}\:{this}\:{problem}? \\ $$ Commented by b.e.h.i.8.3.4.1.7@gmail.com last updated on 22/Apr/17…
Question Number 143495 by lapache last updated on 15/Jun/21 $${On}\:{definit}\:{la}\:{fonction}\: \\ $$$$\mathscr{L}\left({f}\left({t}\right)\right)\left({p}\right)=\int_{\mathrm{0}} ^{+\infty} {f}\left({t}\right){e}^{−{pt}} {dt} \\ $$$${Calculer}\:\mathscr{L}\left(\left(\frac{{t}^{{n}} }{{n}!}\right)\right)\left({p}\right) \\ $$ Answered by Ar Brandon last…
Question Number 143491 by SOMEDAVONG last updated on 15/Jun/21 $$\mathrm{Find}\:\underset{\mathrm{n}\rightarrow+\propto} {\mathrm{lim}}\left(\mathrm{u}_{\mathrm{n}} \right),\mathrm{If}\:\begin{cases}{\mathrm{u}_{\mathrm{0}} =\mathrm{1},\mathrm{n}=\mathrm{1},\mathrm{2},\mathrm{3},…..}\\{\mathrm{u}_{\mathrm{n}} =\:\frac{\mathrm{2018}}{\mathrm{2019}}\mathrm{u}_{\mathrm{n}−\mathrm{1}} +\:\frac{\mathrm{1}}{\left(\mathrm{u}_{\mathrm{n}−\mathrm{1}} \right)^{\mathrm{2018}} }}\end{cases} \\ $$ Commented by mr W last updated…
Question Number 143481 by lapache last updated on 15/Jun/21 $$\mathrm{1}−{Montrer}\:{par}\:{recurrence}\:{que}\:{la}\:{transformee}\:{deLaplace}\:{suivante} \\ $$$$\mathscr{L}\left({f}^{{n}} \left({t}\right)\right)\left({p}\right)={p}^{{n}} \mathscr{L}\left({f}\left({t}\right)\left({p}\right)−{p}^{{n}−\mathrm{1}} {f}\left(\mathrm{0}^{+} \right)−{p}^{{n}−\mathrm{2}} {f}\:'\left(\mathrm{0}^{+} \right)−…….−{f}^{\left({n}−\mathrm{1}\right)} \left(\mathrm{0}^{+} \right)\right. \\ $$$$ \\ $$$$\mathrm{2}−{Calaculer}\:{partir}\:{de}\:\mathscr{L}\left({sint}\right)\left({p}\right)\:{la}\:{transforme}\:\mathscr{L}\left(\frac{{sint}}{{t}}\right)\left({p}\right) \\…
Question Number 77915 by naka3546 last updated on 12/Jan/20 $${Find}\:\:{prime}\:\:{factor}\:\:{of}\:\:\mathrm{4}^{\mathrm{8}} \:−\:\mathrm{3}^{\mathrm{8}} \:\: \\ $$ Answered by jagoll last updated on 12/Jan/20 $$\mathrm{4}^{\mathrm{8}} −\mathrm{3}^{\mathrm{8}} =\:\left(\mathrm{4}^{\mathrm{4}} −\mathrm{3}^{\mathrm{4}}…
Question Number 143438 by Rankut last updated on 14/Jun/21 $$\left(\frac{\mathrm{1}}{\mathrm{2}}\right)^{\boldsymbol{{x}}} =\boldsymbol{{log}}_{\frac{\mathrm{1}}{\mathrm{2}}} \boldsymbol{{x}} \\ $$$$\boldsymbol{{find}}\:\:\:\boldsymbol{{x}} \\ $$ Answered by mr W last updated on 14/Jun/21 $${x}=\left(\frac{\mathrm{1}}{\mathrm{2}}\right)^{\left(\frac{\mathrm{1}}{\mathrm{2}}\right)^{{x}}…
Question Number 12365 by chux last updated on 20/Apr/17 Commented by mrW1 last updated on 21/Apr/17 $${Definition}\:{of}\:{Lambert}\:{W}\:{function}: \\ $$$${if}\:{y}={xe}^{{x}} \\ $$$${then}\:{x}={W}\left({y}\right) \\ $$$${i}.{e}.\:{y}={W}\left({y}\right){e}^{{W}\left({y}\right)} \\ $$$$…
Question Number 143435 by nitu last updated on 14/Jun/21 Commented by mr W last updated on 14/Jun/21 $${p}=\frac{\mathrm{1}\:\mathrm{334}\:\mathrm{961}}{\mathrm{2}\:\mathrm{320}\:\mathrm{196}\:\mathrm{159}\:\mathrm{531}} \\ $$ Commented by nitu last updated…
Question Number 12328 by Mr Chheang Chantria last updated on 19/Apr/17 $$\boldsymbol{\mathrm{if}}\:\boldsymbol{\mathrm{it}}'\boldsymbol{\mathrm{s}}\:\boldsymbol{\mathrm{correct}}\:\boldsymbol{\mathrm{solve}}\:\boldsymbol{\mathrm{plz}} \\ $$$$\underset{\boldsymbol{\mathrm{x}}\rightarrow\mathrm{0}} {\boldsymbol{\mathrm{lim}}}\frac{\boldsymbol{\mathrm{x}}^{\boldsymbol{\mathrm{x}}} −\mathrm{1}}{\boldsymbol{\mathrm{xlnx}}} \\ $$ Answered by mrW1 last updated on 19/Apr/17…