Jack

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89 Answers

newest activity votes
120
Is this Batman equation for real?
27
Is this Batman equation for real?
16
Proving the identity $\sum\limits_{k=1}^n {k^3} = \left(\sum\limits_{k=1}^n k\right)^2$ without induction
9
Showing that $\frac{\sqrt[n]{n!}}{n}$ $\rightarrow \frac{1}{e}$
9
How to integrate $ \int x^n e^x dx$?
8
Square root of simple binomial function
8
How to study math to really understand it and have a healthy lifestyle with free time?
6
An exercise for eigenvalues and eigenvectors
5
Sum of three consecutive cubes
5
Trouble solving a ODE
4
Algebraic equation problem - finding $x$
4
How to show that $\{X \le Y\}$ is an event?
4
Does $ \int_0^{\infty}\frac{\sin x}{x}dx $ have an improper Riemann integral or a Lebesgue integral?
4
Alternative definition of the determinant of a square matrix and its advantages?
4
Good abstract algebra books for self study
4
What is the difference between max and sup?
3
How to determine equation for $\sum_{k=1}^n k^3$
3
Finding the sum of this alternating series with factorial denominator.
3
Looking for math audio resources online
3
Why are differentiable complex functions infinitely differentiable?
2
Quick way to find the number of the group homomorphisms $\phi:{\bf Z}_3\to{\bf Z}_6$?
2
Calculation matrix exponential
2
Diagonalization of a projection
2
Line integral evaluation
2
Double Integral help: $ \int_{x=0.5}^{x=1.5}\int_{-0.5}^{0.5}\frac{dx\;dy}{\sqrt{x^2+y^2}} $
2
Why does $\oint_C d\log|f(z)|=0$?
2
How would I know if $f(x)=x^5-2x+10$ has a root at the interval $[-2, 2]$?
2
Showing that $\int \liminf_{n \to \infty} f_{n}(x) dx \le \liminf_{n \to \infty} \int f_{n}(x) dx$
2
Taylor expansion of $ \arccos(\frac{1}{\sqrt{2}}+x)$, $ x\rightarrow0$
2
Prove that $f$ is continuous at a if and only if $\lim _{h\to0} f (a + h) = f(a)$
1 2 3