Sub division rings of division rings - Mathematics Stack Exchange
Update: Two things have happened: Rankeya has given a valid answer to the written question, but I realize now I was too vague. Secondly, I looked up the correct exercise in Jacobson and …
What do the symbols d/dx and dy/dx mean?
May 2, 2015 · Okay this may sound stupid but I need a little help... What do $\\Large \\frac{d}{dx}$ and $\\Large \\frac{dy}{dx}$ mean? I need a thorough explanation. Thanks.
Compute $\int_ {-\infty}^ {\infty}\int_ {-\infty}^ {\infty}e^ {- (x^2 ...
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Eigenvectors of real symmetric matrices are orthogonal
The statement is imprecise: eigenvectors corresponding to distinct eigenvalues of a symmetric matrix must be orthogonal to each other. Eigenvectors corresponding to the same eigenvalue …
calculus - dx (t)/dx vs. dx/dx - Mathematics Stack Exchange
Oct 7, 2015 · According to symbolic MATLAB and WolframAlpha, $\\frac{\\partial x(t)}{\\partial x} = 0, \\frac{\\partial x}{\\partial x} = 1$ I came across this while trying to ...
How to prove $dxdy = r dr d \theta$? - Mathematics Stack Exchange
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calculus - Finding $\int x^xdx$ - Mathematics Stack Exchange
As noted in the comments, your derivation contains a mistake. To answer the question, this function can not be integrated in terms of elementary functions. So there is no "simple" answer …
Problem calculating surface integral over a cylinder
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Meaning of dx, dy, du (u-substitution) - Mathematics Stack Exchange
Apr 8, 2018 · I understand the meaning of $\frac {dy} {dx}$ and $\int f (x)dx$, but outside of that what do $dy, du, dx$ etc.. mean? When I took calc I, derivatives and integrals ...
real analysis - Prove every local minimum is a global minimum ...
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