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while I was studying the Central Limit theorem, this problem showed up: If $0<p = 1-q < 1$ and $x > 0$, then$$sum_{k in K}...
Asked on 03/04/2021 by big_GolfUniformIndia
1 answerI'm trying to find an example of a function $f: A to B$ and $X subset A$ so that $f^{-1}(f(X)) ne X$, and similarly where $Y...
Asked on 03/04/2021 by MC5555
2 answer$$oint_{C} frac{e^z}{z-pi i} mathrm dz$$If $C$ is the ellipse $|z - 2| + |z+2| = 6$, how is it $0$? I can find the singular...
Asked on 03/04/2021 by dip
2 answerI am trying to find the volume of the region bounded by $z=0, z=y^2, x=-1, x=1, y=-1, y=1$ using spherical coordinates. I realize that I don't need spherical coordinates...
Asked on 03/03/2021 by rmdnusr
0 answerCan someone confirm the correctness of my derivation or see where the mistake is? I want to derive the Greens function for the 1D heat equation with ('general') SPACE DEPENDENT...
Asked on 03/02/2021
0 answerSketch the solid described by the following inequalities.$r^2 le z le 8-r^2$$0 le theta le pi/2,$ and $r le z le 2$.I'm not sure how to aproach this....
Asked on 03/02/2021 by 2316354654
1 answerLet $G^+,G^-in mathcal{C}^1(mathbb{R}^n,mathbb{R}^n)$, and we define the following ODE : where $mathbb{R}^n=Acup Sigmacup B$, $A,B$ are two open sets and $Sigma$ is the hyperplane separating ...
Asked on 03/01/2021 by BrianTag
0 answerLet $C$ be an $ntimes n$ matrix. Then find matrices $A$ of size $n times n$ such that $trace(AC)=trace(C)$. One obvious choice for $A$...
Asked on 03/01/2021 by hitesh
2 answerCan you help me and discuss me on the question? Expand $displaystyle{f(z) = ze^{1/(z-1)}}$ in a Laurent series valid for $displaystyle{left|z-1right|> 0}$. I have no idea anything about...
Asked on 03/01/2021 by Ariana Tibor
1 answer"Suppose I have lightbulbs that have a lifetime which is exponentially distributed with an average lifespan of 5 years. Each time a bulb dies, it is replaced with an another...
Asked on 03/01/2021 by Maksymilian5275
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