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ryaron
  • Member for 6 years, 8 months
  • Last seen more than a week ago
  • Israel
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Chemical Engineering, BSc, MSc. PHD in computational mechanics.

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3
Most efficient way to solve $z^4 + 1 = 0$?
Nov 18, 2022
3
Lebesgue measure on uncountable union of singletons
Oct 1, 2022
2
$A \cap B = A \iff A \in P(B)$
Nov 12, 2022
2
prove by $\varepsilon - \delta$ definition (involving $\infty$) that $\lim_{n \to \infty} n^n = +\infty$
Nov 29, 2022
2
Proof that every finite subset of a metric space is closed
Sep 11, 2022
2
If $a = b$, then $f(a) = f(b)$. What do you call this property?
Oct 15, 2022
2
Is $\{\{1\}\}\subseteq A$ true or false when $A=\{ 2, 3, 4, 5, \{1\}, 6 \}$
Sep 14, 2022
2
Which partial derivative notation for $\partial_j f_{,i}$ is correct: $f_{,ji}$ or $f_{,ij}$?
Jan 10, 2023
2
How to find all the solutions of the ODE: $y''=e^y$?
May 26, 2023
2
Does the energy of the string in a homogeneous wave equation stay constant over time?
Sep 25, 2022