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Category: Limits

x-lim-3-2x-3x-4-FAILED-TO-CALCULATE-

Question Number 165093 by Stanley last updated on 25/Jan/22 $$\overset{{lim}} {{x}}\rightarrow\mathrm{3}\left(\mathrm{2}{x}+\mathrm{3}{x}−\mathrm{4}\right) \\ $$$$\mathrm{FAILED}\:\mathrm{TO}\:\mathrm{CALCULATE} \\ $$ Commented by Ar Brandon last updated on 25/Jan/22 $$\underset{{x}\rightarrow\mathrm{3}} {\mathrm{lim}}\left(\mathrm{2}{x}+\mathrm{3}{x}−\mathrm{4}\right)…

lim-x-2-x-2-x-2-x-2-4-is-

Question Number 34007 by rahul 19 last updated on 29/Apr/18 $$\underset{{x}\rightarrow\mathrm{2}} {\mathrm{lim}}\frac{\sqrt{{x}−\mathrm{2}}\:+\sqrt{{x}}\:−\sqrt{\mathrm{2}}}{\:\sqrt{{x}^{\mathrm{2}} −\mathrm{4}}}\:\:{is}\:? \\ $$ Answered by tanmay.chaudhury50@gmail.com last updated on 29/Apr/18 $$={li}\underset{{x}\rightarrow\mathrm{2}} {{m}}\frac{\sqrt{{x}−\mathrm{2}\:}\:+\left({x}−\mathrm{2}\right)/\left(\sqrt{{x}}\:+\sqrt{\mathrm{2}}\right)}{\:\sqrt{\left({x}+\mathrm{2}\right)\left({x}−\mathrm{2}\right)}\:} \\…

comment-creer-un-tableau-de-variation-a-partir-de-l-application-

Question Number 164955 by atata01 last updated on 24/Jan/22 $$\mathrm{comment}\:\mathrm{creer}\:\mathrm{un}\:\mathrm{tableau}\:\mathrm{de}\:\mathrm{variation}\:\mathrm{a}\:\mathrm{partir}\:\mathrm{de}\:\mathrm{l}'\mathrm{application}? \\ $$ Commented by Ar Brandon last updated on 24/Jan/22 $$\begin{array}{|c|c|c|}{{x}}&\hline{−\pi\:\:\:\:\:\:\:\:\:\:\:−\frac{\pi}{\mathrm{2}}}&\hline{\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\mathrm{0}}&\hline{\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\frac{\pi}{\mathrm{2}}}&\hline{\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\pi}\\{\mathrm{f}\:'\left({x}\right)}&\hline{\:\:\:\:\:\:\:\:\:\:\:\:−}&\hline{\:\:\:\:\:\:\:\:\:+}&\hline{\:\:\:\:\:\:\:\:\:\:+}&\hline{\:\:\:\:\:\:\:−}\\{\mathrm{f}\left({x}\right)}&\hline{\overset{\mathrm{0}} {\:}\:\:\:\:\:\:\:\:\:\searrow\:\:_{\:\:\:\:\:−\mathrm{1}} }&\hline{\:\:\:\:\:\:\:\:\:\nearrow^{\:\:\:\:\:\mathrm{0}} }&\hline{\underset{\mathrm{0}} {\:}\:\:\:\:\:\:\:\nearrow^{\:\:\:\:\:\:\mathrm{1}}…

Question-99392

Question Number 99392 by AwaisAhmed last updated on 20/Jun/20 Commented by PRITHWISH SEN 2 last updated on 21/Jun/20 $$\mathrm{To}\:\mathrm{be}\:\mathrm{continuous}\: \\ $$$$\mathrm{4b}=−\mathrm{2}\Rightarrow\boldsymbol{\mathrm{b}}=\:−\frac{\mathrm{1}}{\mathrm{2}}\: \\ $$ Answered by…

lim-x-1-x-2-cot-2-x-

Question Number 99355 by bemath last updated on 20/Jun/20 $$\underset{{x}\rightarrow\infty} {\mathrm{lim}}\left(\frac{\mathrm{1}}{\mathrm{x}^{\mathrm{2}} }\:−\mathrm{cot}\:^{\mathrm{2}} \mathrm{x}\:\right)\:=? \\ $$ Commented by john santu last updated on 20/Jun/20 $$\mathrm{maybe}\:\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\left(\frac{\mathrm{1}}{\mathrm{x}^{\mathrm{2}}…

lim-x-3-x-9x-2-8-

Question Number 99350 by bemath last updated on 20/Jun/20 $$\underset{{x}\rightarrow−\infty} {\mathrm{lim}}\frac{\mathrm{3}−\mathrm{x}}{\:\sqrt{\mathrm{9x}^{\mathrm{2}} −\mathrm{8}}\:}\:? \\ $$ Commented by bobhans last updated on 20/Jun/20 $$\underset{{x}\rightarrow−\infty} {\mathrm{lim}}\frac{−\mathrm{x}\left(\mathrm{1}−\frac{\mathrm{3}}{\mathrm{x}}\right)}{−\mathrm{x}\sqrt{\mathrm{9}−\frac{\mathrm{8}}{\mathrm{x}^{\mathrm{2}} }}}\:=\:\frac{\mathrm{1}}{\mathrm{3}} \\…

Question-99348

Question Number 99348 by bobhans last updated on 20/Jun/20 Commented by bemath last updated on 20/Jun/20 $$\underset{{x}\rightarrow−\infty} {\mathrm{lim}}\frac{\mathrm{3x}+\sqrt{\mathrm{x}^{\mathrm{2}} }}{\mathrm{7x}−\mathrm{5}\sqrt{\mathrm{x}^{\mathrm{2}} }}\:=\:\underset{{x}\rightarrow−\infty} {\mathrm{lim}}\frac{\mathrm{3x}−\mathrm{x}}{\mathrm{7x}+\mathrm{5x}} \\ $$$$=\:\underset{{x}\rightarrow−\infty} {\mathrm{lim}}\frac{\mathrm{2x}}{\mathrm{12x}}\:=\:\frac{\mathrm{1}}{\mathrm{6}} \\…