Menu Close

Category: None

x-t-c-tx-t-c-is-constant-1-Find-x-t-2-Find-x-t-when-x-0-x-0-

Question Number 205172 by shunmisaki007 last updated on 12/Mar/24 $${x}\left({t}\right)={c}+{tx}'\left({t}\right)\:\mid\:{c}\:\mathrm{is}\:\mathrm{constant}. \\ $$$$\left(\mathrm{1}\right)\:\mathrm{Find}\:{x}\left({t}\right). \\ $$$$\left(\mathrm{2}\right)\:\mathrm{Find}\:{x}\left({t}\right)\:\mathrm{when}\:{x}\left(\mathrm{0}\right)={x}_{\mathrm{0}} . \\ $$ Commented by lepuissantcedricjunior last updated on 12/Mar/24 $$\boldsymbol{{x}}\left(\boldsymbol{{t}}\right)=\boldsymbol{{c}}+\boldsymbol{{tx}}'\left(\boldsymbol{{t}}\right)\:\boldsymbol{{c}}\in\mathbb{R}…

A-lim-x-0-1-cos2x-2x-2-lim-x-0-2sin-2-x-2x-2-lim-x-0-sinx-x-2-1-B-lim-x-0-1-xcotx-lim-x-0-tanx-x-lim-x-0-sinx-x-1-cosx-1-

Question Number 205138 by Thokna last updated on 10/Mar/24 $${A}=\underset{{x}\rightarrow\mathrm{0}\:\:} {\mathrm{lim}}\frac{\mathrm{1}−\mathrm{cos2}{x}}{\mathrm{2}{x}^{\mathrm{2}} } \\ $$$$\:\:\:\:=\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\frac{\mathrm{2sin}^{\mathrm{2}} {x}}{\mathrm{2}{x}^{\mathrm{2}} } \\ $$$$\:\:\:\:=\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\left(\frac{\mathrm{sin}{x}}{{x}}\right)^{\mathrm{2}} =\mathrm{1} \\ $$$${B}=\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\mathrm{1}}{{x}\mathrm{cot}{x}} \\…

Question-205001

Question Number 205001 by rajusasmal last updated on 05/Mar/24 Answered by TonyCWX08 last updated on 05/Mar/24 $$\mathrm{44}.\: \\ $$$${x}^{\mathrm{2}} −{y}^{\mathrm{2}} \\ $$$$=\left({asec}\left(\theta\right)+{btan}\left(\theta\right)\right)^{\mathrm{2}} −\left({atan}\left(\theta\right)+{bsec}\left(\theta\right)\right)^{\mathrm{2}} \\ $$$$={a}^{\mathrm{2}}…