user1002327
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### Questions (9)

 4 Parametric curve for a tennis ball seam 3 Prove that $\bigcup_{n=2}^{\infty} [1/n, 1 - 1/n] = (0, 1)$ 3 Unclear step on proof of Laplace transform of a derivative 3 Is there a “simple” proof of the isoperimetric theorem for squares? 2 Solve $z^4 + 4 = 0$

### Reputation (251)

 +15 Prove that $\bigcup_{n=2}^{\infty} [1/n, 1 - 1/n] = (0, 1)$ +10 Solve $z^4 + 4 = 0$ +10 Proving $mn = 0$ implies $m = 0$ or $n=0$ for all $m, n \in \mathbb{N}$ using Peano Axioms +2 Why is the Fibonacci ratio though a decreasing function, it is alternating and decreasing?

 1 Find region of integration where triple integral has maximum value

### Tags (15)

 1 optimization × 4 0 linear-algebra 1 multivariable-calculus × 4 0 algebra-precalculus 1 integration × 2 0 alternative-proof 0 laplace-transform 0 complex-numbers 0 limits 0 elementary-set-theory

### Accounts (7)

 Stack Overflow 315 rep 1418 Mathematics 251 rep 1513 Anime & Manga 213 rep 16 Super User 121 rep 4 Unix & Linux 118 rep 3