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Mathematics
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EtherealMist
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3
Use the chain rule to evaluate $\frac{\mathrm{d}}{\mathrm{d}x}\displaystyle\int_{x^2-1}^{\sin(x)} \cos(t) \, \mathrm{d}t $
Jul 7, 2016
3
Let $r$ be a root of the polynomial $p(x) = (\sqrt{5} - 2\sqrt{3})x^3 + \sqrt{3}x - \sqrt{5} + 1$.
Oct 18, 2017
3
Fibonacci Sequence proof by induction
Jul 19, 2019
2
If {${U_i}$}$_{i\in I}$ is a countable collection of open sets, must $\cap_{i\in I}U_i$ be open? Provide proof or counterexample.
Oct 5, 2016
2
Evaluate $ \int_{- \infty}^{\infty} \frac{x^4}{x^8 + 1} dx$ using Residual Theorem [duplicate]
Apr 27, 2019
2
Elementary set theory proof by contradiction
Jul 14, 2019
1
Let $f: A \rightarrow B$ be a map of sets, and let {$X_i$}$_{i\in I}$ be an indexed collection of subsets of A.
Oct 3, 2016
1
Let $x_k = \frac{3k+4}{k-5}$. Given $\epsilon \gt 0$, find an integer $K$ such that $\vert{x_k - 3}\vert\lt \epsilon$, $\forall k\gt K$
Oct 7, 2016
1
Show that $f : \Bbb{R}^2 \to \Bbb{R} , f(x, y) = \sqrt{|xy|}$ is not differentiable at $(x, y) = (0, 0)$ [duplicate]
Jun 16, 2017
1
$E(Y^4)$ for exponential distribution.
Jun 23, 2017