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Mathematics
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Richard
  • Member for 8 years, 5 months
  • Last seen more than 1 year ago
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question
14
Guessing a number between $1$ and $100$ with 10 distinct questions and 9 honest answers
Dec 30, 2017
question
4
How to prove that if $a_n=o(n) $ then $\sum_{k=0}^n\frac{a_n^k}{k!}\sim e^{a_n} $
Aug 31, 2018
question
4
What is the parametric form of the unique line which crosses these other three lines?
Apr 27, 2018
question
4
If $A$ is a domain but not a field, then $(x)$ is not a maximal ideal of $A[x]$?
Jul 11, 2017
question
4
Does Little Fermat imply that if $p$ is prime then $x^p=x $ in $\Bbb Z/p\Bbb Z [x] $?
Jul 18, 2017
question
4
How does one prove $(1+x/n)^n\to e^x$ pointwise through series expansion?
Dec 12, 2017
question
2
Finding the inverse of $x^3+x^2+1$ in $\Bbb F_2[x]/(x^4+x^2)$ with the Euclidean algorithm
Jun 19, 2018
question
2
Solving $\lvert z \rvert z^2 = \sqrt{2}(1-i)\overline{z}$
Apr 14, 2016
question
2
With $\Delta=\{(x,\cdots,x)\}$, the set $\{f:X^n\to X^n| \ f\ \text{bijective and}\ f(\Delta)=\Delta\}$ is infinite for all $n\ge1$ if $X$ is infinite
Jun 17, 2018
question
2
Probability that at least two equal numbers are extracted
Apr 7, 2017
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20
How to prepare my girlfriend for the break-up?
7
Does adding honey to bottled wine increase the alcohol content?
6
Is it easier to hold serve in tennis doubles than in singles?