Mathematics
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azif00
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View all questions and answers
All Questions Answers
Score Newest
answer
14
How do I take a fraction to a negative power?
Jul 11, 2019
answer
9
Prove that $T$ is invertible if and only if $0$ is not an eigenvalue of $T$
Feb 20, 2020
answer
8
Limit of $(\sin nx) / mx$ as $x$ approaches $0$
Sep 18, 2019
answer
7
Proving if a polynomial is the zero function, then all coefficients are 0
Jan 4, 2020
answer
6
How to prove that $(S^{0})^{0} = \operatorname{span}(\psi(S))$, where $\psi: V \to V^{**}$ is the natural isomorphism
Apr 6, 2020
answer
6
Composition Proof
Feb 20, 2020
answer
6
Don't the derivatives of $\arctan x$ and $\operatorname{arccot} x$ imply they're negatives of each other?
Jun 25, 2019
answer
6
If $f:X\rightarrow X$ is such that there exists $n\in \mathbb{N}$ for which $f^{n}$ is contracting, show that $f$ admits a unique fixed point.
Oct 13, 2021
answer
5
How do you prove that if $\lim\limits_{n \to \infty}a_n=1$, then $\lim\limits_{n \to \infty}\frac{1}{1+a_n}=\frac{1}{2}$?
Jul 14, 2019
answer
5
Calculating $G'(x)$ given $G(x) = \int_{-4}^{x^2} \frac{\sin t}{t} dt$
Jul 12, 2019

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