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Apr
27
awarded  Critic
Mar
31
asked Standard Deviation divided by Mean
Feb
4
awarded  Nice Question
Jan
20
comment Reason for LCM of all numbers from 1 .. n equals roughly $e^n$
Not as simple as I hoped for, but I managed. And furthermore I think it won't get much simpler than that.
Jan
20
accepted Reason for LCM of all numbers from 1 .. n equals roughly $e^n$
Jan
20
revised Reason for LCM of all numbers from 1 .. n equals roughly $e^n$
plot fix
Jan
20
asked Reason for LCM of all numbers from 1 .. n equals roughly $e^n$
Sep
30
awarded  Explainer
Sep
12
awarded  Yearling
Dec
9
accepted Is it valid to write $\displaystyle \lim_{x \to 0} \frac{1}{x^2} = \infty$?
Dec
9
comment Is it valid to write $\displaystyle \lim_{x \to 0} \frac{1}{x^2} = \infty$?
Just for completeness: What about $\lim_{x \to 0} \frac{1}{x} = ±\infty$?
Dec
9
comment Is it valid to write $\displaystyle \lim_{x \to 0} \frac{1}{x^2} = \infty$?
That $+\infty$ thing is interesting. Does it mean that $\infty$ without the $+$ can mean positive as well as negative? In particular, can one write $\lim_{x \to 0} \frac{1}{x} = \infty$ even if that can be positive or negative?
Dec
9
comment Is it valid to write $\displaystyle \lim_{x \to 0} \frac{1}{x^2} = \infty$?
No problem, since I'm not so fluent in English mathematics, questions like these point out things to me I didn't know yet. So the case here with limes vs. limit. Thanks to @Daniel Fischer. :)
Dec
9
comment Is it valid to write $\displaystyle \lim_{x \to 0} \frac{1}{x^2} = \infty$?
No …? Your question baffles me.
Dec
9
asked Is it valid to write $\displaystyle \lim_{x \to 0} \frac{1}{x^2} = \infty$?
Dec
4
awarded  Scholar
Dec
4
accepted Non-iterative solution for $(a + nb)\mod c < d$
Dec
4
accepted How to solve $y = \frac{1}{x-1} +\frac {1}{x-5}$ for $x$
Dec
4
comment How to solve $y = \frac{1}{x-1} +\frac {1}{x-5}$ for $x$
Right. Thanks a lot, now it seems too simple ;-) (will accept as soon as possible).
Dec
4
asked How to solve $y = \frac{1}{x-1} +\frac {1}{x-5}$ for $x$