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Mar
7
answered condition for a cubic to have a repeated root
Jan
17
answered If $x=\pi a y^{1/2}$ then why is $\frac{\partial^n}{\partial x^n}=-2\left(\frac{y^{3/2}}{\pi a}\right)^n \frac{\partial^n}{\partial y^n}$?
Sep
23
answered CGT: value of sum game is sum of values of games
Aug
16
answered Which is greater, $20 \uparrow\uparrow\uparrow\uparrow 20$ or $4 \uparrow\uparrow\uparrow\uparrow\uparrow 4$?
Jul
19
answered A question about limit 22
May
26
answered What is the opposite of a robust system?
May
26
answered How exactly is $i=\sqrt{-1}$ related to $\mathbb{C}$ being a closed algebraic field?
May
26
answered Are there combinatorial games of finite order different from $1$ or $2$?
May
25
answered Interesting sequence question
Mar
31
answered How to properly determine the limits of a triple integral?
Mar
13
answered Terminology: Projection, truncation, elimination
Mar
12
answered mutually exclusive events or not
Mar
12
answered Limit as $x$ approaches 2 is undefined?
Mar
12
answered Is $…000n$ not a natural number?
Mar
12
answered Prove that a polynomial has at least one nonreal complex root
Mar
9
answered Summation notation for time series
Mar
9
answered Player statistics as estimate of surreal number of game
Feb
24
answered My problem in understanding the minimal counterexample technique
Feb
24
answered Can someone help me understand Cramer's Rule?
Feb
24
answered Shorthand method for expressing the limit of something