Penulis Topik: Is infinity equal to negative infinity?  (Dibaca 1133 kali)

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Is infinity equal to negative infinity?
« pada: Juli 20, 2018, 11:00:52 AM »
Terpujilah Kristus.

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 $\lim_{x\to 0^+} \frac{1}{x} \neq \lim_{x\to 0^-} \frac{1}{x}$ ... .

Hosana in excelcis.



\[ \sum_{j=0}^\infty \frac{1}{j!(n-j)!} = \frac{2^n}{n!} \]