Slugger
Reputation
2,245
Next privilege 2,500 Rep.
Create tag synonyms
7 21
Impact
~33k people reached

Questions (110)

 10 Show that $\mathbb{Z}_{2} \times \mathbb{Z}_{4}$ is not a cyclic group 8 Show that ${-n \choose i} = (-1)^i{n+i-1 \choose i}$ 7 Show $f''+vf' +\alpha^2 f(1-f)=0$ has solutions satisfying $\lim_{x \to - \infty}f=0$ and $\lim_{x \to \infty}f=1$ given $v\leq -2\alpha < 0$ 7 Ethical problems in mathematics 6 $M,N\in \Bbb R ^{n\times n}$, show that $e^{(M+N)} = e^{M}e^N$ given $MN=NM$

Reputation (2,245)

 +5 Is a $1\times 1$ matrix a scalar? +5 Show that the covering space of a smooth manifold is a smooth manifold. +10 How to find inverse of function? +5 Question on splitting field and irreducible polynomials.

 6 Solve $y^{\prime \prime}-(y^{\prime})^2-y^{\prime}=0$ 4 Prove by induction that $\sum_{k=0}^{n}(-1)^{n+k} k^{2} = \frac{n(n+1)}{2}$ 4 Is there a convention, law or axiom for associate operators when is a lack of brackets? 4 prove by induction that $P\left(\bigcup\limits_{i=1}^{n} E_i\right) = 1-\prod\limits_{i=1}^{n}(1-P(E_i))$, $E_1,E_2,\ldots , E_i$ independent 4 Homogeneous equation

Tags (89)

 16 differential-equations × 15 5 abstract-algebra × 7 11 algebra-precalculus × 6 4 probability × 7 7 calculus × 20 4 functions × 4 6 induction × 2 4 operator-theory 5 integration × 11 4 sums-of-squares

Accounts (12)

 Mathematics 2,245 rep 721 Stack Overflow 191 rep 7 Physics 140 rep 5 TeX - LaTeX 135 rep 3 Chemistry 123 rep 3