Prove that \[ \lim_{x\to a}\frac{1}{x}=\frac{1}{a} \] for any $a$ in $(-\infty,0)$.
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Lesson Parent:
Problem:
Prove that
\[
\lim_{x\to a}\frac{1}{x}=\frac{1}{a}
\]
for any $a$ in $(-\infty,0)$.
Answer:
It is true that \[ \lim_{x\to a}\frac{1}{x}=\frac{1}{a} \] for any $a$ in $(-\infty,0)$.
