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Jan
10
revised Idempotent $17\times 17$ Matrix Jordan Normal Form
added 21 characters in body; edited title
Jan
6
comment Does sequence always give a square
@Daga The OP asked for a positive integer sequence.
Jan
6
revised Which series converges the most slowly?
Correcting grammar and converting to MathJax.
Oct
31
awarded  Nice Answer
Oct
25
revised Find the volume of the solid V given by $x^2 + y^2 \leq z \leq 1$ and $x \geq 0$.
added 40 characters in body; edited title
Oct
25
revised Finding which components of a function have the largest effect?
added 22 characters in body
Oct
25
comment Given integer roots of $x^2+mx-n=0$ and $x^2-mx+n=0$. Show $6 \mid n$.
I have edited the question to make it more readable and give it a more manageable title. I would check to be sure this is what you intended.
Oct
25
revised Given integer roots of $x^2+mx-n=0$ and $x^2-mx+n=0$. Show $6 \mid n$.
added 215 characters in body; edited title
Oct
25
answered If $(G, ∗, I)$ is a group and $a, b ∈ G.$ Show that $a^3 = I$ if and only if $(b^{−1} ∗ a ∗ b)^3 = I$.
Oct
11
reviewed Approve Solve for $\theta$: $\cos(2\theta)-2k\sin(\theta)-k-3=0 \quad \text{for } 0 \le \theta \le \pi$
Aug
6
revised $R$ is a commutative integral ring, $R[X]$ is a principal ideal domain imply $R$ is a field
added 153 characters in body
Jun
22
answered Max/Min problem - Find proportions of a right circular cylinder
May
22
awarded  Yearling
May
12
comment Integrate $\int \frac{x^5 dx}{\sqrt{1+x^3}}$
You mean $x^3$ in the root and the trivial constant of integration.
Apr
7
reviewed Approve Integer functional equation $f(f(f(n)))=f(n+1)+1$
Apr
6
reviewed Leave Open Prove $ \sum \frac{\cos n} { \sqrt n}$ converges
Apr
6
reviewed Leave Open What are Bernoulli numbers?
Mar
26
revised What is the intuition behind $\cos^2(x)$ being the same as $(\cos x)^2$?
edited body
Mar
26
comment What is the intuition behind $\cos^2(x)$ being the same as $(\cos x)^2$?
@Meelo Ah, indeed I reached short in typing. I had meant to hit '1' not '2' and did not catch this in the quick proofreading. Thank you for catching it!
Mar
26
revised What is the intuition behind $\cos^2(x)$ being the same as $(\cos x)^2$?
added 20 characters in body; edited title