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Matematika => Kalkulus => Topik dimulai oleh: trfrm pada Juli 20, 2018, 11:00:52 AM

Judul: Is infinity equal to negative infinity?
Ditulis oleh: trfrm pada Juli 20, 2018, 11:00:52 AM

Excuse me ... . 

\[ \lim_{x\to 0^+} \frac{1}{x} = +\infty \]
\[ \lim_{x\to 0^-} \frac{1}{x} = -\infty \]

Thus, $\displaystyle \lim_{x\to 0} \frac{1}{x}$ is undetermined because $\lim_{x\to 0^+} \frac{1}{x} \neq \lim_{x\to 0^-} \frac{1}{x}$ ... .