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the-function-f-x-is-defined-by-f-x-x-1-for-x-3-kx-8-for-x-3-find-the-value-of-k-

Question Number 37911 by Rio Mike last updated on 19/Jun/18 $$\mathrm{the}\:\mathrm{function}\:{f}\left({x}\right)\:\mathrm{is}\:\mathrm{defined}\:\mathrm{by} \\ $$$${f}\left({x}\right)\:=\begin{cases}{−{x}\:+\:\mathrm{1}\:,\:{for}\:{x}\leqslant\mathrm{3}}\\{{kx}\:−\:\mathrm{8}\:,\:{for}\:{x}\:\geqslant\:\mathrm{3}}\end{cases} \\ $$$${find}\:{the}\:{value}\:{of}\:{k}\:. \\ $$ Commented by math khazana by abdo last updated…

The-distance-moved-by-a-particle-in-t-seconds-is-given-by-s-t-3-3t-1-where-s-is-in-metres-Find-the-velocity-and-Asseleration-after-3-seconds-Show-all-steps-with-short-statements-on-how-the-a

Question Number 37860 by Rio Mike last updated on 18/Jun/18 $${The}\:{distance}\:{moved}\:{by}\:{a}\:{particle} \\ $$$${in}\:{t}\:{seconds}\:{is}\:{given}\:{by} \\ $$$${s}=\:{t}^{\mathrm{3}} \:+\:\mathrm{3}{t}\:+\:\mathrm{1}\:{where}\:{s}\:{is}\:{in}\: \\ $$$${metres}.{Find}\:{the}\:{velocity}\:{and}\: \\ $$$${Asseleration}\:{after}\:\mathrm{3}\:{seconds}. \\ $$$$ \\ $$$${Show}\:{all}\:{steps}\:{with}\:{short}\:{statements} \\…

Resolve-1-x-y-ydx-x-2-dy-0-2-2x-y-dx-4x-2y-3-dy-0-

Question Number 168910 by LEKOUMA last updated on 21/Apr/22 $${Resolve} \\ $$$$\left.\mathrm{1}\right)\:\left({x}−{y}\right){ydx}−{x}^{\mathrm{2}} {dy}=\mathrm{0} \\ $$$$\left.\mathrm{2}\right)\left(\mathrm{2}{x}−{y}\right){dx}+\left(\mathrm{4}{x}−\mathrm{2}{y}+\mathrm{3}\right){dy}=\mathrm{0} \\ $$ Commented by LEKOUMA last updated on 21/Apr/22 $${The}\:{question}\:{is}\:{to}\:{following}\:{differential}…

let-f-x-e-2x-arctan-x-2-1-calculate-f-n-x-2-find-f-n-0-3-developp-f-at-integr-serie-

Question Number 37838 by math khazana by abdo last updated on 18/Jun/18 $${let}\:{f}\left({x}\right)=\:{e}^{−\mathrm{2}{x}} \:{arctan}\left({x}^{\mathrm{2}} \right) \\ $$$$\left.\mathrm{1}\right){calculate}\:{f}^{\left({n}\right)} \left({x}\right) \\ $$$$\left.\mathrm{2}\right)\:{find}\:{f}^{\left({n}\right)} \left(\mathrm{0}\right) \\ $$$$\left.\mathrm{3}\right)\:{developp}\:{f}\:{at}\:{integr}\:{serie} \\ $$…