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Mathematics
Juanma Eloy's user avatar
Juanma Eloy's user avatar
Juanma Eloy's user avatar
Juanma Eloy
  • Member for 9 years, 8 months
  • Last seen more than 1 year ago
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question
75
Can a complex number ever be considered 'bigger' or 'smaller' than a real number, or vice versa?
Jan 23, 2015
question
6
Prove for every odd integer $a$ that $(a^2 + 3)(a^2 + 7) = 32b$ for some integer $b$.
Dec 29, 2015
question
4
How to calculate $\mathbb{P}(|U_{1} - U_{2}| < \frac{1}{12})$, where $U_{i} \sim \mathcal{U}(0, \frac{1}{2})$ and $U_{i}$ are independent.
Dec 11, 2018
question
3
Proof: If $x<y$ and $n$ is odd, then $x^n<y^n$
Dec 30, 2014
question
3
Is there a proof for the fact that, if you perform the same operation on both sides of an equality, then the equality holds?
Jan 18, 2015
question
3
Find all $x$ for which $x+3^x<4$
Jan 23, 2015
question
3
Why isn't it true that $|z|\sqrt{2} \leq |Re(z)| + |Im(z)|$?
Aug 31, 2018
question
2
Prove that if $a,b\geq0$ and $a^2<b^2$ then $a<b$
Dec 30, 2014
question
2
Factor $2^{15}-1=32767$ into a product of two smaller positive integers. Is there a method?
Dec 31, 2014
question
2
If $0<a<b$, prove that $a<\sqrt{ab}<\frac{a+b}{2}<b$ [duplicate]
Jan 22, 2015