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Jul
7
comment My MATLAB simulation shows that the Monty Hall probabilites are different… Why?
See also this answer.
Jun
25
awarded  Explainer
Jun
25
revised Two girl's ages are $20$ when added and $99$ when multiplied. What is the age of each girl?
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Jun
25
suggested approved edit on Two girl's ages are $20$ when added and $99$ when multiplied. What is the age of each girl?
Jun
25
answered Two girl's ages are $20$ when added and $99$ when multiplied. What is the age of each girl?
Jun
19
revised Calculus. Why are these statements equal?
Large enough to read
Jun
19
suggested approved edit on Calculus. Why are these statements equal?
Jun
8
revised Write a polynomial equation of the smallest degree with roots $3$, $4i$, and $-4i$.
Formatting
Jun
8
suggested approved edit on Write a polynomial equation of the smallest degree with roots $3$, $4i$, and $-4i$.
Jun
2
revised Compare two powers of numbers without common divisor
Texification
Jun
2
suggested approved edit on Compare two powers of numbers without common divisor
May
25
revised $y^2 = |\cos(\pi*x/2)|$ generates an infinite number of adjacent circles on the line $y = 0$.
Fixed link
May
25
suggested approved edit on $y^2 = |\cos(\pi*x/2)|$ generates an infinite number of adjacent circles on the line $y = 0$.
May
24
comment Problem on Straight lines
@Nancy, Note that $\frac{448}{805} = \frac{64}{115}$ and $\frac{-56}{805} = \frac{-8}{115}$.
May
16
revised Show that there are infinitely many primes $p$ of the form $p=a^2+b^2+c^2+1$
Formatted title
May
16
suggested approved edit on Show that there are infinitely many primes $p$ of the form $p=a^2+b^2+c^2+1$
May
5
comment Solutions of the Pell-type equation $x^2-2y^2=-1$
See also Pell's equation.
Apr
20
reviewed Reviewed Inclusions of $\ell^p$ and $L^p$ spaces
Apr
19
comment Inverse function.
$h(2) = 2-a/2$, not $2-2/a.$
Apr
18
revised Error in my proof?
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