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An expert is a man who has made all the mistakes, which can be made, in a very narrow field. (Niels Bohr)


Jun
30
reviewed Close What is the primitive of $\tan(x)\arctan(x)$?
Jun
30
reviewed Leave Closed math question im stumped on
Jun
30
reviewed Approve suggested edit on If $ x^2+y^2+z^2 =1$ for $x,y,z \in \mathbb{R}$, then find maximum value of $ x^3+y^3+z^3-3xyz $.
Jun
30
reviewed Approve suggested edit on Special kind of a linear Linear Diophantine equation
Jun
30
reviewed Leave Open Riemann Zeta function Analytic continuation integral
Jun
19
reviewed Approve suggested edit on relationship between complex numbers
Jun
19
reviewed Approve suggested edit on Curious set of $n\sin^2(n)$
Jun
19
reviewed Approve suggested edit on If X is a space in the order topology with lub. If A is closed, is A compact?
Jun
19
reviewed Reject suggested edit on Counting triplets with red edges in each pair
Jun
13
reviewed Close Is Leibniz's product rule absolutely right?
Jun
10
reviewed Leave Open Find the equation of a parabola which passes through the points $(5,10),(−5,0),(9,−6)$?
Jun
10
reviewed Close Tangent line to a curve with parameter
May
14
reviewed Reject suggested edit on A sequence converges $\iff$ it's Cauchy. Proof of ($\Leftarrow$) (Abbott p 59 t2.6.4)
May
13
reviewed No Action Needed Pi and the sum of reciprocals of primes?
May
13
reviewed Reject suggested edit on Does an integral without an integrand imply the integrand is $1$?
May
13
reviewed Approve suggested edit on One Catalan question
May
13
reviewed Close Composition of covering maps is a covering map if the inverse image is finite.
May
13
reviewed No Action Needed Fourier series, estimate the values of $a_0$, $a_n$ and $b_n$.
May
13
reviewed Close a continuous function $f:(0,2)\to (0,2)$ and $A\subseteq (0,2)$ such that $f$ is not differentiable on $A$
May
13
reviewed Close Examples of $ \sqrt 2$ and $\sqrt[3]{3}$ in nature?