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Category: Algebra

For-what-values-of-a-does-the-system-of-equations-only-have-one-solution-a-x-4-1-y-2-x-x-2-y-2-4-

Question Number 181182 by depressiveshrek last updated on 22/Nov/22 $${For}\:{what}\:{values}\:{of}\:{a}\:{does}\:{the}\:{system} \\ $$$${of}\:{equations}\:{only}\:{have}\:{one}\:{solution}: \\ $$$$\begin{cases}{{a}\left({x}^{\mathrm{4}} +\mathrm{1}\right)={y}+\mathrm{2}−\mid{x}\mid}\\{{x}^{\mathrm{2}} +{y}^{\mathrm{2}} =\mathrm{4}}\end{cases} \\ $$ Answered by mr W last updated…

n-determinant-1-1-1-1-1-2-2-2-3-2-n-1-3-2-3-3-3-n-1-n-2-n-3-n-n-n-N-Find-lim-n-n-1-n-

Question Number 181183 by Shrinava last updated on 22/Nov/22 $$\Omega_{\boldsymbol{\mathrm{n}}} \:=\:\begin{vmatrix}{\mathrm{1}}&{\mathrm{1}}&{\mathrm{1}}&{…}&{\mathrm{1}}\\{\mathrm{1}}&{\mathrm{2}^{\mathrm{2}} }&{\mathrm{2}^{\mathrm{3}} }&{…}&{\mathrm{2}^{\boldsymbol{\mathrm{n}}} }\\{\mathrm{1}}&{\mathrm{3}^{\mathrm{2}} }&{\mathrm{3}^{\mathrm{3}} }&{…}&{\mathrm{3}^{\boldsymbol{\mathrm{n}}} }\\{…}&{…}&{…}&{…}&{…}\\{\mathrm{1}}&{\mathrm{n}^{\mathrm{2}} }&{\mathrm{n}^{\mathrm{3}} }&{…}&{\mathrm{n}^{\boldsymbol{\mathrm{n}}} }\end{vmatrix}\:\:,\:\:\:\mathrm{n}\:\in\:\mathbb{N}^{\ast} \\ $$$$\mathrm{Find}:\:\:\:\Omega\:=\underset{\boldsymbol{\mathrm{n}}\rightarrow\infty} {\mathrm{lim}}\:\sqrt[{\boldsymbol{\mathrm{n}}}]{\frac{\Omega_{\boldsymbol{\mathrm{n}}+\mathrm{1}} }{\Omega_{\boldsymbol{\mathrm{n}}} }}\:…

lim-x-8-x-2-6x-16-x-8-

Question Number 50089 by Cheyboy last updated on 13/Dec/18 $$\underset{{x}\rightarrow\mathrm{8}} {\mathrm{lim}}\:\:\frac{\mathrm{x}^{\mathrm{2}} −\mathrm{6x}−\mathrm{16}}{\mid\mathrm{x}−\mathrm{8}\mid} \\ $$ Commented by Abdo msup. last updated on 14/Dec/18 $${let}\:{f}\left({x}\right)=\frac{{x}^{\mathrm{2}} −\mathrm{6}{x}−\mathrm{16}}{\mid{x}−\mathrm{8}\mid}\:\Rightarrow{f}\left({x}\right)=\frac{{x}^{\mathrm{2}} −\mathrm{8}{x}\:+\mathrm{2}{x}−\mathrm{16}}{\mid{x}−\mathrm{8}\mid}…

Solve-for-x-3x-28-3x-26-3-x-10-x-8-

Question Number 181144 by Agnibhoo98 last updated on 22/Nov/22 $$\mathrm{Solve}\:\mathrm{for}\:{x}\:: \\ $$$$\left(\frac{\mathrm{3}{x}\:−\:\mathrm{28}}{\mathrm{3}{x}\:−\:\mathrm{26}}\right)^{\mathrm{3}} \:=\:\frac{{x}\:−\:\mathrm{10}}{{x}\:−\:\mathrm{8}} \\ $$ Answered by Rasheed.Sindhi last updated on 22/Nov/22 $$\left(\frac{\mathrm{3}{x}\:−\:\mathrm{28}}{\mathrm{3}{x}\:−\:\mathrm{26}}\right)^{\mathrm{3}} \:=\:\frac{{x}\:−\:\mathrm{10}}{{x}\:−\:\mathrm{8}} \\…

If-a-b-c-0-then-1-2a-2-bc-1-2b-2-ca-1-2c-2-ab-

Question Number 181138 by Agnibhoo98 last updated on 22/Nov/22 $$\mathrm{If}\:{a}\:+\:{b}\:+\:{c}\:=\:\mathrm{0}\:\mathrm{then}, \\ $$$$\frac{\mathrm{1}}{\mathrm{2}{a}^{\mathrm{2}} \:+\:{bc}}\:+\:\frac{\mathrm{1}}{\mathrm{2}{b}^{\mathrm{2}} \:+\:{ca}}\:+\:\frac{\mathrm{1}}{\mathrm{2}{c}^{\mathrm{2}} \:+\:{ab}}\:=\:? \\ $$ Answered by som(math1967) last updated on 22/Nov/22 $$\:{a}+{b}+{c}=\mathrm{0}…

Question-115564

Question Number 115564 by zakirullah last updated on 26/Sep/20 Answered by Olaf last updated on 26/Sep/20 $$\mathrm{A}\:\mathrm{is}\:\mathrm{symetrix} \\ $$$$\Rightarrow\:\mathrm{2}{b}\:=\:\mathrm{3}\:\mathrm{and}\:\mathrm{3}{a}\:=\:−\mathrm{2} \\ $$$${a}\:=\:−\frac{\mathrm{2}}{\mathrm{3}},\:{b}\:=\:\frac{\mathrm{3}}{\mathrm{2}} \\ $$ Commented by…

Can-you-please-help-me-how-can-i-solve-this-equation-x-0-055-1-44x-2-6-336x-6-9696-

Question Number 50016 by gh.b last updated on 13/Dec/18 $${Can}\:{you}\:{please}\:{help}\:{me}\: \\ $$$${how}\:{can}\:{i}\:{solve}\:{this}\:{equation}\: \\ $$$${x}=\mathrm{0}.\mathrm{055}\left(\mathrm{1}.\mathrm{44}{x}^{\mathrm{2}} −\mathrm{6}.\mathrm{336}{x}+\mathrm{6}.\mathrm{9696}\right) \\ $$ Answered by MJS last updated on 13/Dec/18 $$\mathrm{its}\:\mathrm{structure}\:\mathrm{is}…