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Solve-2x-1-1-5-2-0-2x-2-1-2-2-0-2x-3-3-1-2-0-Find-the-values-of-x-1-x-2-x-3-1-and-2-

Question Number 208645 by Mastermind last updated on 20/Jun/24 $$\mathrm{Solve}\:: \\ $$$$\mathrm{2x}_{\mathrm{1}} \:−\:\lambda_{\mathrm{1}} \:−\:\mathrm{5}\lambda_{\mathrm{2}} \:=\:\mathrm{0} \\ $$$$\mathrm{2x}_{\mathrm{2}} \:−\:\lambda_{\mathrm{1}} \:−\:\mathrm{2}\lambda_{\mathrm{2}} \:=\:\mathrm{0} \\ $$$$\mathrm{2x}_{\mathrm{3}} \:−\:\mathrm{3}\lambda_{\mathrm{1}} \:−\:\lambda_{\mathrm{2}} \:=\:\mathrm{0}…

1-Find-the-length-of-each-of-the-following-a-x-3-lt-x-lt-7-b-x-2-x-6-3-x-1-c-x-2-x-lt-5-1-lt-x-7-2-Let-I-a-b-Prove-that-I-is-mea

Question Number 208367 by Mastermind last updated on 13/Jun/24 $$\mathrm{1}.\:\mathrm{Find}\:\mathrm{the}\:\mathrm{length}\:\mathrm{of}\:\mathrm{each}\:\mathrm{of}\:\mathrm{the}\:\mathrm{following} \\ $$$$\:\:\:\:\:\left(\mathrm{a}\right)\:\left\{\mathrm{x}\::\:−\mathrm{3}\:<\:\mathrm{x}\:<\:\mathrm{7}\right\} \\ $$$$\:\:\:\:\:\left(\mathrm{b}\right)\:\left\{\mathrm{x}\::\:\mathrm{2}\:\leqslant\:\mathrm{x}\:\leqslant\:\mathrm{6}\right\}\:\cup\:\left\{−\mathrm{3}\:\leqslant\:\mathrm{x}\:\leqslant\:−\mathrm{1}\right\} \\ $$$$\:\:\:\:\:\left(\mathrm{c}\right)\:\left\{\mathrm{x}\::\:−\mathrm{2}\:\leqslant\:\mathrm{x}\:<\:\mathrm{5}\right\}\:\cup\:\left\{\mathrm{1}\:<\:\mathrm{x}\:\leqslant\:\mathrm{7}\right\} \\ $$$$ \\ $$$$\mathrm{2}.\:\mathrm{Let}\:\mathrm{I}=\left(\mathrm{a},\:\mathrm{b}\right).\:\mathrm{Prove}\:\mathrm{that}\:\mathrm{I}\:\mathrm{is}\:\mathrm{measurable} \\ $$$$\mathrm{and}\:\mathrm{m}\left(\mathrm{I}\right)\:=\:\mathrm{L}\left(\mathrm{I}\right). \\ $$ Terms…

lim-x-0-a-x-1-x-log-a-

Question Number 208312 by messele last updated on 11/Jun/24 $${lim}_{{x}\rightarrow\mathrm{0}\:\frac{{a}^{{x}} −\mathrm{1}}{{x}}\:=\:{log}\:{a}} \\ $$ Answered by mathzup last updated on 11/Jun/24 $${let}\:{f}\left({x}\right)={a}^{{x}} \:={e}^{{xlna}} \:\Rightarrow{f}\left(\mathrm{0}\right)=\mathrm{1}\:{and} \\ $$$${lim}_{{x}\rightarrow\mathrm{0}}…

Question-208277

Question Number 208277 by Mastermind last updated on 10/Jun/24 Answered by Rasheed.Sindhi last updated on 10/Jun/24 $$\begin{vmatrix}{\mathrm{0}}&{\mathrm{0}}&{\mathrm{1}}&{\mathrm{1}}&{\mathrm{3}}\\{\mathrm{0}}&{\mathrm{0}}&{\mathrm{5}}&{\mathrm{2}}&{\mathrm{1}}\\{\mathrm{1}}&{\mathrm{5}}&{\mathrm{2}}&{\mathrm{0}}&{\mathrm{0}}\\{\mathrm{1}}&{\mathrm{2}}&{\mathrm{0}}&{\mathrm{2}}&{\mathrm{0}}\\{\mathrm{3}}&{\mathrm{1}}&{\mathrm{0}}&{\mathrm{0}}&{\mathrm{2}}\end{vmatrix}\: \\ $$$${R}_{\mathrm{2}} ={R}_{\mathrm{2}} −\mathrm{2}{R}_{\mathrm{1}} \\ $$$$=\begin{vmatrix}{\mathrm{0}}&{\mathrm{0}}&{\mathrm{1}}&{\mathrm{1}}&{\:\:\mathrm{3}}\\{\mathrm{0}}&{\mathrm{0}}&{\mathrm{3}}&{\mathrm{0}}&{-\mathrm{5}}\\{\mathrm{1}}&{\mathrm{5}}&{\mathrm{2}}&{\mathrm{0}}&{\:\:\mathrm{0}}\\{\mathrm{1}}&{\mathrm{2}}&{\mathrm{0}}&{\mathrm{2}}&{\:\:\mathrm{0}}\\{\mathrm{3}}&{\mathrm{1}}&{\mathrm{0}}&{\mathrm{0}}&{\:\:\mathrm{2}}\end{vmatrix}\: \\ $$$${R}_{\mathrm{4}}…

Anybody-with-knowledge-or-books-on-mathemtical-modeling-

Question Number 207951 by MWSuSon last updated on 31/May/24 $$\mathrm{Anybody}\:\mathrm{with}\:\mathrm{knowledge}\:\mathrm{or}\:\mathrm{books}\:\mathrm{on} \\ $$$$\mathrm{mathemtical}\:\mathrm{modeling}? \\ $$ Commented by TheHoneyCat last updated on 01/Jun/24 Modeling of what? shapes? physical phenomenon? dynamical system? statistical modeling? it is hard to find math that doesn't show up in any sort of modeling, so I think you'll get better results by being slightly more precise... Commented by MWSuSon…

I-ve-changed-my-handset-now-unable-to-view-saved-equations-How-to-access-saved-equatios-in-new-handset-

Question Number 207805 by udaythool last updated on 27/May/24 $$\mathrm{I}'\mathrm{ve}\:\mathrm{changed}\:\mathrm{my}\:\mathrm{handset},\:\mathrm{now}\:\mathrm{unable}\:\mathrm{to}\:\mathrm{view}\:\mathrm{saved}\:\mathrm{equations}. \\ $$$$\mathrm{How}\:\mathrm{to}\:\mathrm{access}\:\mathrm{saved}\:\mathrm{equatios}\:\mathrm{in}\:\mathrm{new}\:\mathrm{handset}? \\ $$ Commented by mr W last updated on 27/May/24 $${with}\:{your}\:{old}\:{device}: \\ $$$${save}\:{your}\:{data}\:{using}…