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Aug
19
answered Polynomial must be monotone between its extrema
Aug
19
revised Polynomial must be monotone between its extrema
edited title; edited tags
Aug
19
revised Is $(x^2 + 1) / (x^2-5x+6)$ divisible?
deleted 6 characters in body
Aug
19
comment Maximizing area under $y=e^{−{∣x∣}}$
see update to my answer from your (deleted) comment
Aug
19
revised Maximizing area under $y=e^{−{∣x∣}}$
added 640 characters in body
Aug
19
revised Evaluation of $\int\frac{x^7+2}{\left(x^2+x+1\right)^2}dx$
deleted 12 characters in body; edited tags
Aug
19
revised If $f, g$ are measurable functions, then $f+g$ is measurable
added 1 character in body
Aug
19
revised Maximizing area under $y=e^{−{∣x∣}}$
added 4 characters in body; edited tags
Aug
19
answered Maximizing area under $y=e^{−{∣x∣}}$
Aug
19
revised if $\mu(X)$ is finite then $\lim_{n\to \infty}\mu \{x: |f(x)|\geq n\}=0$
added 4 characters in body; edited title
Aug
19
revised Multiple choice: $S = {x | 0 ≤ x < 280 ∧ x ≡ 3 (mod 7) ∧ x ≡ 4 (mod 8)}$
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Aug
19
revised Question about Poisson process and arrival times
added 95 characters in body
Aug
19
comment Integrating $ \int_0^\infty \frac{x^5}{e^x+1} \, dx $
Nasty answer from WolframAlpha: wolframalpha.com/input/?i=integral+x%5E5%2F%28e%5Ex%2B1%29
Aug
19
awarded  Refiner
Aug
19
comment How many ways can we arrange 7 books, including 2 math books and 1 physics book, with the math books next to each other and left of the physics book?
+1, clever to divide by 2 in the last case instead of specifying the cases
Aug
19
comment How many ways can we arrange 7 books, including 2 math books and 1 physics book, with the math books next to each other and left of the physics book?
@Thunder_Penguin yes, I think so
Aug
19
revised elimination method and solving for constants
edited tags
Aug
19
comment elimination method and solving for constants
yes see my answer below
Aug
19
answered How many ways can we arrange 7 books, including 2 math books and 1 physics book, with the math books next to each other and left of the physics book?
Aug
19
answered elimination method and solving for constants