Mathematics
Robert Z's user avatar
Robert Z's user avatar
Robert Z's user avatar
Robert Z
  • Member for 7 years, 11 months
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About

All those scientists, they're all alike.
They say they're working for us,
but what they really want is to rule the world!
(Young Frankenstein)

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2,315
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409
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All Questions Answers
Score Newest
question
170
The Hole in One Pizza
Sep 29, 2017
answer
81
Every polynomial with real coefficients is the sum of cubes of three polynomials
Oct 30, 2016
answer
47
Value of $(\alpha^2+1)(\beta^2+1)(\gamma^2+1)(\delta^2+1)$ if $z^4-2z^3+z^2+z-7=0$ for $z=\alpha$, $\beta$, $\gamma$, $\delta$
Oct 8, 2017
answer
43
Intuitive reason for why $\left(\displaystyle\sum_{i=0}^n i\right)^2 = \displaystyle\sum_{i=0}^n i^3$
Aug 4, 2016
answer
34
Does an increasing sequence of reals converge if the difference of consecutive terms approaches zero?
Feb 17, 2019
answer
30
Polynomial cannot have all roots real?
Aug 16, 2018
answer
30
Prime number construction game
Dec 21, 2018
question
26
Mysterious identity
Dec 18, 2015
answer
26
Question about partial fractions with irreducible quadratic factors
Mar 13, 2019
answer
25
What will be the value of the following determinant without expanding it?
Oct 4, 2016
Top network posts
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9
A question about composition of functions
8
Inequality for Stirling numbers of the second kind

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