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Category: Limits

let-u-n-and-v-n-be-sequences-defined-by-u-0-9-u-n-1-1-2-u-n-3-v-n-u-n-6-Calculate-P-n-i-0-n-V-i-in-terms-of-n-the-deduce-Q-n-i-0-n-u-i-using-the-above-expr

Question Number 98380 by Rio Michael last updated on 13/Jun/20 $$\mathrm{let}\:\left\{{u}_{{n}} \right\}\:\mathrm{and}\:\left\{{v}_{{n}} \right\}\:\mathrm{be}\:\mathrm{sequences}\:\mathrm{defined}\:\mathrm{by} \\ $$$$\:{u}_{\mathrm{0}} \:=\:\mathrm{9},\:{u}_{{n}+\mathrm{1}} \:=\:\frac{\mathrm{1}}{\mathrm{2}}{u}_{{n}} −\mathrm{3}. \\ $$$${v}_{{n}} \:=\:{u}_{{n}} \:+\:\mathrm{6}. \\ $$$$\mathrm{Calculate}\:{P}_{{n}} \:=\:\underset{{i}=\mathrm{0}}…

lim-x-0-tan-2x-2x-sin-3x-3x-

Question Number 163825 by cortano1 last updated on 11/Jan/22 $$\:\:\:\:\:\:\:\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\mathrm{tan}\:\mathrm{2}{x}−\mathrm{2}{x}}{\mathrm{sin}\:\mathrm{3}{x}−\mathrm{3}{x}}\:=?\: \\ $$ Answered by Ar Brandon last updated on 11/Jan/22 $$\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\frac{\mathrm{tan2}{x}−\mathrm{2}{x}}{\mathrm{sin3}{x}−\mathrm{3}{x}}=\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\frac{\left(\mathrm{2}{x}+\frac{\left(\mathrm{2}{x}\right)^{\mathrm{3}} }{\mathrm{3}}−\mathrm{2}{x}\right)}{\mathrm{3}{x}−\frac{\left(\mathrm{3}{x}\right)^{\mathrm{3}}…

lim-x-0-cos-2x-cos-4x-cos-8x-3x-csc-2x-2x-2-

Question Number 163690 by cortano1 last updated on 09/Jan/22 $$\:\:\:\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\mathrm{cos}\:\mathrm{2}{x}\:\mathrm{cos}\:\mathrm{4}{x}\:\mathrm{cos}\:\mathrm{8}{x}\:−\:\mathrm{3}{x}\:\mathrm{csc}\:\mathrm{2}{x}}{\mathrm{2}{x}^{\mathrm{2}} }\:=? \\ $$ Answered by blackmamba last updated on 09/Jan/22 $$\:\:\mathcal{X}\:=\:\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\mathrm{sin}\:\mathrm{2}{x}\:\mathrm{cos}\:\mathrm{2}{x}\:\mathrm{cos}\:\mathrm{4}{x}\:\mathrm{cos}\:\mathrm{8}{x}−\mathrm{3}{x}}{\mathrm{2}{x}^{\mathrm{2}} \:\mathrm{sin}\:\mathrm{2}{x}} \\…

lim-x-x-x-x-zaynal-

Question Number 163666 by Zaynal last updated on 09/Jan/22 $$\boldsymbol{\mathrm{lim}}\:_{\boldsymbol{{x}}\rightarrow\boldsymbol{\pi}} \:\:\left(\frac{\boldsymbol{{x}}^{\boldsymbol{\pi}} \:−\:\boldsymbol{\pi}^{\boldsymbol{{x}}} }{\boldsymbol{{x}}−\boldsymbol{\pi}}\right)\:=?? \\ $$$$\ll\mathrm{zaynal}\gg \\ $$ Answered by mahdipoor last updated on 09/Jan/22 $${hop}\Rightarrow\underset{{x}\rightarrow\pi}…

lim-x-0-1-x-1-x-e-x-

Question Number 163657 by mathlove last updated on 09/Jan/22 $$\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\frac{\left(\mathrm{1}+{x}\right)^{\frac{\mathrm{1}}{{x}}} −{e}}{{x}}=? \\ $$ Answered by mr W last updated on 09/Jan/22 $$=\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\left({e}^{\frac{\mathrm{ln}\:\left(\mathrm{1}+{x}\right)}{{x}}} \right)'…