Question Number 179829 by daus last updated on 03/Nov/22 Commented by daus last updated on 03/Nov/22 $${help}\:{me}\:{to}\:{solve}\: \\ $$$${using}\:{gauss}\:{jordan}\:{elimination}\:{method}\: \\ $$ Answered by manxsol last…
Question Number 114295 by mathdave last updated on 18/Sep/20 Answered by mr W last updated on 19/Sep/20 $${say}\:{the}\:{number}\:{is}\:\left[{abcde}\right] \\ $$$${let}\:{A}={a}+{c}+{e} \\ $$$${B}={b}+{d} \\ $$$${A}+{B}=\mathrm{41}\:\left({as}\:{given}\right) \\…
Question Number 114288 by mathdave last updated on 18/Sep/20 Commented by bemath last updated on 18/Sep/20 $$\mathrm{56}{xyz}\:=\:\mathrm{3}! \\ $$$$\mathrm{6}{wxyz}\:=\:\mathrm{4}! \\ $$$$\mathrm{7}{qrstu}\:=\mathrm{4}! \\ $$$$\mathrm{8}{abcd}\:=\:\mathrm{4}! \\ $$$$\Sigma\:{number}\:=\:\mathrm{6}+\mathrm{3}×\mathrm{24}\:=\mathrm{78}…
Question Number 114290 by mathdave last updated on 18/Sep/20 Answered by 1549442205PVT last updated on 18/Sep/20 $$\mathrm{From}\:\mathrm{the}\:\mathrm{hypothesis}\:\overline {\mathrm{abc}},\overline {\mathrm{bca}},\overline {\mathrm{cab}} \\ $$$$\mathrm{form}\:\mathrm{a}\:\mathrm{G}.\mathrm{P}\:\mathrm{we}\:\mathrm{infer}\:\overline {\mathrm{abc}}×\overline {\mathrm{cab}}=\left(\overline {\mathrm{bca}}\right)^{\mathrm{2}}…
Question Number 179799 by yaslm last updated on 02/Nov/22 Answered by MJS_new last updated on 02/Nov/22 $$\int\frac{{dx}}{\:\sqrt{\mathrm{cos}^{\mathrm{3}} \:{x}}\sqrt{\mathrm{1}+\mathrm{sin}\:{x}}}= \\ $$$$\:\:\:\:\:\left[{t}=\mathrm{tan}\:{x}\:+\frac{\mathrm{1}}{\mathrm{cos}\:{x}}\:\Leftrightarrow\:{x}=\mathrm{arctan}\:\frac{{t}^{\mathrm{2}} −\mathrm{1}}{\mathrm{2}{t}}\:\rightarrow\:{dx}=\frac{\mathrm{2}{dt}}{{t}^{\mathrm{2}} +\mathrm{1}}\right] \\ $$$$=\frac{\mathrm{1}}{\mathrm{2}}\int\frac{{t}^{\mathrm{2}} +\mathrm{1}}{{t}^{\mathrm{5}/\mathrm{2}}…
Question Number 114263 by Khalmohmmad last updated on 18/Sep/20 $$\mathrm{3x}^{\mathrm{3}} −\mathrm{3x}−\frac{\mathrm{1}}{\mathrm{2}}=\mathrm{0} \\ $$$$\mathrm{x}_{\mathrm{1}} ,\mathrm{x}_{\mathrm{2}} ,\mathrm{x}_{\mathrm{3}} \:? \\ $$ Answered by MJS_new last updated on 18/Sep/20…
Question Number 114253 by Dat_Das last updated on 18/Sep/20 $$\mathrm{For}\:\mathrm{a}\:\mathrm{cubic}\:\mathrm{function}\:\mathrm{in}\:\mathrm{the}\:\mathrm{form}: \\ $$$${f}\left({x}\right)\:=\:{ax}^{\mathrm{3}} +{bx}^{\mathrm{2}} +{cx}+{d} \\ $$$$\mathrm{What}\:\mathrm{must}\:\mathrm{be}\:\mathrm{true}\:\mathrm{of}\:{a},\:{b},\:{c},\:\mathrm{and}\:{d}\:\mathrm{in} \\ $$$$\mathrm{order}\:\mathrm{for}\:\mathrm{the}\:\mathrm{function}\:\mathrm{to}\:\mathrm{be}\:\mathrm{able}\:\mathrm{to}\:\mathrm{be} \\ $$$$\mathrm{converted}\:\mathrm{to}\:\mathrm{the}\:\mathrm{form}: \\ $$$${f}\left({x}\right)\:=\:{a}\left({x}−{h}\right)^{\mathrm{3}} +{k} \\ $$…
Question Number 114225 by mohammad17 last updated on 17/Sep/20 $${y}^{''} −\mathrm{3}{y}^{'} +\mathrm{2}{y}={xsin}\left({x}\right) \\ $$ Answered by mathmax by abdo last updated on 18/Sep/20 $$\mathrm{h}\rightarrow\mathrm{r}^{\mathrm{2}} −\mathrm{3r}+\mathrm{2}=\mathrm{0}\rightarrow\Delta\:=\mathrm{9}−\mathrm{8}=\mathrm{1}\:\Rightarrow\mathrm{r}_{\mathrm{1}}…
Question Number 114223 by mathdave last updated on 17/Sep/20 Answered by mr W last updated on 18/Sep/20 $${a}={g}\left(\mathrm{sin}\:\theta−\mu\:\mathrm{cos}\:\theta\right) \\ $$$${v}_{\mathrm{2}} ^{\mathrm{2}} −{v}_{\mathrm{1}} ^{\mathrm{2}} =\mathrm{2}{as} \\…
Question Number 114219 by Khalmohmmad last updated on 17/Sep/20 Terms of Service Privacy Policy Contact: info@tinkutara.com