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Category: Limits

lim-x-0-sin-x-1-ln-x-

Question Number 99968 by bobhans last updated on 24/Jun/20 $$\underset{{x}\rightarrow\mathrm{0}^{+} } {\mathrm{lim}}\:\left(\mathrm{sin}\:\mathrm{x}\right)^{\frac{\mathrm{1}}{\mathrm{ln}\left(\mathrm{x}\right)}} \:=?\: \\ $$ Commented by bobhans last updated on 24/Jun/20 $$=\mathrm{e}^{\underset{{x}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\mathrm{ln}\left(\mathrm{sin}\:\mathrm{x}\right)}{\mathrm{ln}\left(\mathrm{x}\right)}} =\:\mathrm{e}^{\underset{{x}\rightarrow\mathrm{0}}…

lim-x-x-2-x-2-4x-x-3-

Question Number 99951 by bemath last updated on 24/Jun/20 $$\underset{{x}\rightarrow−\infty} {\mathrm{lim}}\:\mathrm{x}^{\mathrm{2}} \sqrt{\mathrm{x}^{\mathrm{2}} +\mathrm{4x}}\:+\:\mathrm{x}^{\mathrm{3}} \:? \\ $$ Commented by bobhans last updated on 24/Jun/20 $$\underset{{x}\rightarrow−\infty} {\mathrm{lim}}\:\sqrt{\mathrm{x}^{\mathrm{6}}…

lim-x-x-5-1-x-1-

Question Number 99947 by bemath last updated on 24/Jun/20 $$\underset{{x}\rightarrow\infty} {\mathrm{lim}}\:{x}\left(\mathrm{5}^{\frac{\mathrm{1}}{{x}}} −\mathrm{1}\right)\:=? \\ $$ Commented by bobhans last updated on 24/Jun/20 $$\underset{{x}\rightarrow\infty} {\mathrm{lim}}\:\frac{\mathrm{5}^{\frac{\mathrm{1}}{\mathrm{x}}} −\mathrm{1}}{\frac{\mathrm{1}}{\mathrm{x}}}\:=\:\underset{\mathrm{t}\rightarrow\mathrm{0}} {\mathrm{lim}}\:\frac{\mathrm{5}^{\mathrm{t}}…

lim-x-0-1-x-k-1-x-help-me-

Question Number 99936 by student work last updated on 24/Jun/20 $$\mathrm{li}\underset{\mathrm{x}\rightarrow\mathrm{0}} {\mathrm{m}}\frac{\left(\mathrm{1}+\mathrm{x}\right)^{\mathrm{k}} −\mathrm{1}}{\mathrm{x}}=? \\ $$$$\mathrm{help}\:\mathrm{me} \\ $$ Commented by bemath last updated on 24/Jun/20 $$\mathrm{for}\:\mathrm{k}\:>\:\mathrm{0}\:\Rightarrow\:\underset{{x}\rightarrow\mathrm{0}}…

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

Question Number 99938 by bemath last updated on 24/Jun/20 $$\underset{{x}\rightarrow\mathrm{1}^{+} } {\mathrm{lim}}\frac{\sqrt{\mathrm{x}^{\mathrm{2}} −\mathrm{1}}+\sqrt{\mathrm{x}}−\mathrm{1}}{\:\sqrt{\mathrm{x}−\mathrm{1}}}\:?\: \\ $$ Commented by bobhans last updated on 24/Jun/20 $$\underset{\mathrm{x}\rightarrow\mathrm{1}^{+} } {\mathrm{lim}}\:\frac{\frac{\mathrm{x}}{\:\sqrt{\mathrm{x}^{\mathrm{2}}…