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Mathematics
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across
  • Member for 3 years, 2 months
  • Last seen more than a month ago
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All Questions Answers
Score Newest
question
5
Show that $p^3 \mid (r^{p(p-1)} - 1) \Rightarrow p^2 \mid (r^{p-1}-1)$
Sep 12, 2021
question
4
Graph of quadratic $f(x)=ax^2+bx+c$ when $a$ is fixed and $b,c$ are varied
Sep 14, 2021
question
4
Proof of cos(A-B) and geometric intuition
Apr 1, 2022
question
3
How can one point determine a unique straight line in differentiation?
Jul 12, 2020
answer
3
$a ^ x = |x + 2| - |2x + 8|$ has only one solution
Dec 4, 2020
question
2
Show that $xy/z$ is constant given conditions on $xy$ and $y/z$.
Sep 12, 2020
question
2
How do we know that $\{x: x\text{ is a set and }x\text{ has at least one element}\}$ has any elements at all?
Dec 1, 2020
question
2
Is there a better way to visualize the midpoint formula?
Dec 2, 2020
question
2
Integration by parts, geometry, signed areas
Apr 8, 2021
question
2
If $r$ is a primitive root of $p$ and $p^2$, then show that it is also a primitive root of $p^3$
Sep 12, 2021
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31
How were four wires replaced with two wires in early telephones?
8
In an op-amp integrator, what is the purpose of the parallel resistor in the feedback path?
6
How can nitrogen be both inert and bond with everything in periodic table?
5
Deriving ideal gas law from Boyle and Charles
5
How is a change in KE the same in every inertial reference frame?

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