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May
22
reviewed Close funcitonal series convergence… SOS…
May
22
reviewed Leave Open Generalisations of the identity $\tan{\frac{3\pi}{11}}+4\sin{\frac{2\pi}{11}}=\sqrt{11}$
May
22
reviewed Close About the property of $m$: if $n < m$ is co-prime to $m$, then $n$ is prime
May
22
reviewed Leave Open Linear independence of $(x\sin x)^{\frac{n-1}{2}}$ and $(x\sin x)^{\frac{n+1}{2}}$
May
20
comment Conjecture on cycle length and primes
Given how much you've changed the conjecture, it might be more reasonable to ask "Are there grounds to consider this plausible?" than "How do I prove it?"
May
20
answered RSA: What message will Alice receive?
May
18
answered $\sum_{k=1}^{n} \binom{n}{k}k^{r}$
May
18
comment Conjecture on cycle length and primes
Two questions: 1. Why do you write your conjecture in the form $(a-1)/b = 2^c$ rather than $\textrm{Od}(a-1) = b$, since you're already using $\textrm{Od}$ in the definition of $b$? 2. You're linking various OEIS sequences with titles which don't show obvious relationships. Can you explain the relationships between these sequences and A179382?
May
17
revised Show y is odd in the equation $y^3 =x^2 +2$
Finish the correction
May
17
awarded  Constituent
May
17
comment Forcing Bezier Interpolation
For fitting four points with prechosen t it suffices to solve two simultaneous linear equations in two variables, which is something people learn at age around 15 in my country, whereas Lagrange form isn't covered in the standard school syllabus at all. That paper's interesting, though: I've added it to my list of things to read.
May
16
revised Taylor Polynomial for $x^{1/3}$
Replace image with text for searchability
May
16
comment Symmetrically splitting an octagon into quadrilaterals
The fourth picture also creates triangles rather than quadrilaterals. If that isn't a problem, just add one point in the centre and join to each vertex.
May
16
comment Raise a number to the “y” power without using exponents.
@GerryMyerson, does information theory not count as grownup mathematics? It uses base 2 more than $e$.
May
16
reviewed No Action Needed Rationale behind truth values
May
16
answered Forcing Bezier Interpolation
May
16
comment Forcing Bezier Interpolation
How much do you know about Bézier curves? In particular, do you know a general formula for the point at a given value of $t$?
May
15
comment Normal intersecting a sphere
@Sarunas, by definition of the sphere any normalised point intersects it.
May
15
answered Normal intersecting a sphere
May
15
reviewed Leave Open Indefinite Integral = Definite Integral with Variable as Upper Limit