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Apr
6
revised Show that for triangle ABC, with complex numbers for the coordinates, that we have the following equation
Removed irrelevant tags
Apr
6
suggested suggested edit on Show that for triangle ABC, with complex numbers for the coordinates, that we have the following equation
Mar
3
answered If $f$ is holomorphic and $\,f'' = f$, then $f(z) = A \cosh z + B \sinh z$
Jan
25
comment Question on relative homology
We have $\{0\}\subsetneq\mathrm{Ker}\partial\subset H_m\left(\varphi^{c+\varepsilon},\varphi^{c-\varepsilon}\right)$.
Jan
16
answered Bounded Complex Function
Jan
5
suggested suggested edit on compute limit (no l'Hospital rule)
Dec
18
revised Number of unitary homomorphisms $\phi \ : \ \mathbb{Z}[X]/(X^3+3X+5) \longrightarrow \mathbb{R}$
Corrected spelling, LaTeX fixed
Dec
18
suggested suggested edit on Number of unitary homomorphisms $\phi \ : \ \mathbb{Z}[X]/(X^3+3X+5) \longrightarrow \mathbb{R}$
Dec
11
answered Cauchy integral formula, but singularities not inside and on the contour $C$
Dec
4
comment Analytic function or not?
A complex analytic function is usually defined on an open subset of $\mathbb{C}$.
Dec
4
suggested suggested edit on proving $f^{-1}(C\cup D)=f^{-1}(C)\cup f^{-1}(D)$
Nov
30
revised How do I prove that $\lim_{n\to+\infty}\frac{\frac{1}{a_{1}}+\frac{1}{a_{2}}+\cdots+\frac{1}{a_{n}}}{\sqrt{n}}=?$
Corrected title.
Nov
30
suggested suggested edit on How do I prove that $\lim_{n\to+\infty}\frac{\frac{1}{a_{1}}+\frac{1}{a_{2}}+\cdots+\frac{1}{a_{n}}}{\sqrt{n}}=?$
Nov
30
answered Question on relative homology
Nov
30
comment Prove $f(x,y) = xy/(x^2 + y^2)$ is continuous everywhere except $(0,0).$
The inverse of $h(0,0)$ is undefined, $h(0,0)$ is just equal to $0$.
Nov
26
comment How to Find the Square Root of Numbers That Aren't Square Numbers
Any camera can do it! I did it with my phone.
Nov
26
comment A gentle textbook of complex analysis
This book is great, but not so gentle!
Nov
26
answered How to Find the Square Root of Numbers That Aren't Square Numbers
Nov
19
revised A gentle textbook of complex analysis
Fixed url (removed http:// at the end)
Nov
19
suggested suggested edit on A gentle textbook of complex analysis