User across

5 votes

2 answers

47 views

Show that $p^3 \mid (r^{p(p-1)} - 1) \Rightarrow p^2 \mid (r^{p-1}-1)$

asked Sep 12, 2021 at 5:48

4 votes

1 answer

93 views

Graph of quadratic $f(x)=ax^2+bx+c$ when $a$ is fixed and $b,c$ are varied

asked Sep 14, 2021 at 16:23

4 votes

3 answers

243 views

Proof of cos(A-B) and geometric intuition

asked Apr 1, 2022 at 15:40

3 votes

1 answer

249 views

How can one point determine a unique straight line in differentiation?

asked Jul 12, 2020 at 14:54

2 votes

4 answers

102 views

Show that $xy/z$ is constant given conditions on $xy$ and $y/z$.

asked Sep 12, 2020 at 9:22

2 votes

1 answer

405 views

How do we know that $\{x: x\text{ is a set and }x\text{ has at least one element}\}$ has any elements at all?

asked Dec 1, 2020 at 6:38

2 votes

2 answers

77 views

Is there a better way to visualize the midpoint formula?

asked Dec 2, 2020 at 19:28

2 votes

2 answers

163 views

Intuition - dot product doesn't change under rotation

asked Apr 1, 2022 at 10:41

2 votes

1 answer

45 views

Integration by parts, geometry, signed areas

asked Apr 8, 2021 at 18:11

2 votes

1 answer

172 views

If $r$ is a primitive root of $p$ and $p^2$, then show that it is also a primitive root of $p^3$

asked Sep 12, 2021 at 3:46

2 votes

2 answers

103 views

Forced damped oscillator - why am I getting infinite amplitude at resonance(incorrectly)

asked Feb 8, 2022 at 13:56

2 votes

1 answer

115 views

Repetitions in a sequence

asked Mar 14, 2022 at 3:20

1 vote

0 answers

30 views

Repetitions in a sequence mod m

asked Mar 14, 2022 at 13:24

1 vote

1 answer

58 views

t-axis translation rule and inverse laplace transform of $e^{as}F(s)$

asked Mar 22, 2022 at 13:31

1 vote

1 answer

379 views

How to leave a trace of locus of parametric curve in desmos

asked Mar 31, 2022 at 6:48

1 vote

3 answers

158 views

Domain of $\sqrt{x}$ function when solving $x^2 - 2=0$

asked Dec 11, 2020 at 12:55

1 vote

2 answers

59 views

Finding all functions $f$ and $g$ satisfying $pv = f(t)$ and $\frac{v}{t} = g(p)$

asked Sep 12, 2020 at 14:42

0 votes

1 answer

25 views

If $xy=\pi z$ and we define $f(z)=\pi z$, then is it correct to say that $f(z)$ depends on $z$ alone, not on $x$ and $y$?

asked Sep 12, 2020 at 16:35

0 votes

1 answer

89 views

how to convince myself cos(A-B) proof works for all positions of A and B?

asked Jul 25, 2020 at 16:34

-2 votes

2 answers

107 views

1, 333, 55555, .... find an expresion for the general term

asked Dec 23, 2020 at 5:59

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20 Questions

Show that $p^3 \mid (r^{p(p-1)} - 1) \Rightarrow p^2 \mid (r^{p-1}-1)$

Graph of quadratic $f(x)=ax^2+bx+c$ when $a$ is fixed and $b,c$ are varied

Proof of cos(A-B) and geometric intuition

How can one point determine a unique straight line in differentiation?

Show that $xy/z$ is constant given conditions on $xy$ and $y/z$.

How do we know that $\{x: x\text{ is a set and }x\text{ has at least one element}\}$ has any elements at all?

Is there a better way to visualize the midpoint formula?

Intuition - dot product doesn't change under rotation

Integration by parts, geometry, signed areas

If $r$ is a primitive root of $p$ and $p^2$, then show that it is also a primitive root of $p^3$

Forced damped oscillator - why am I getting infinite amplitude at resonance(incorrectly)

Repetitions in a sequence

Repetitions in a sequence mod m

t-axis translation rule and inverse laplace transform of $e^{as}F(s)$

How to leave a trace of locus of parametric curve in desmos

Domain of $\sqrt{x}$ function when solving $x^2 - 2=0$

Finding all functions $f$ and $g$ satisfying $pv = f(t)$ and $\frac{v}{t} = g(p)$

If $xy=\pi z$ and we define $f(z)=\pi z$, then is it correct to say that $f(z)$ depends on $z$ alone, not on $x$ and $y$?

how to convince myself cos(A-B) proof works for all positions of A and B?

1, 333, 55555, .... find an expresion for the general term