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  • Member for 2 years, 11 months
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5 votes
0 answers
351 views

Fresnel Integral Proof (without rigorous complex analysis)

5 votes
3 answers
239 views

Solving the Double Angle Tangent Formula for $\tan x$

4 votes
1 answer
353 views

Fermat's Last Theorem Intuition [duplicate]

4 votes
0 answers
136 views

What kind of function represents the Sophomore's Dream sum?

3 votes
1 answer
54 views

Limit as $x \to 0^-$ of $x^x$ from the negative side using complex numbers

3 votes
2 answers
170 views

Tried reverse engineering this Double Integral problem, but it left me more confused

3 votes
2 answers
264 views

$W_{-1} (x)$ series expansion?

3 votes
0 answers
79 views

Find $\int{\frac{d\theta}{\sqrt{b+a\cos\theta}}}$

3 votes
0 answers
327 views

How did Lanczos find his approximation for the Gamma function?

2 votes
1 answer
97 views

Complex Parts of the Gamma function

2 votes
1 answer
486 views

Harmonic addition theorem [duplicate]

2 votes
3 answers
378 views

Find the nth root of i

2 votes
1 answer
113 views

Looking for polynomials that generate primes for integers within a given interval

2 votes
2 answers
185 views

Show that $\langle x, x \rangle = 0$ if and only if $x = 0$.

2 votes
2 answers
237 views

Weird relation that I found: Any relation to Geometric Series?

1 vote
3 answers
1k views

Shouldn't the Well Ordering Principle apply only to sets with at least two elements?

1 vote
1 answer
88 views

Show if $a$ has infinite order, then $a^i = a^j$ if and only if $i = j$

1 vote
1 answer
52 views

Are all 2-connected graphs planar?

1 vote
1 answer
33 views

For every $k \geq 2$, give an example of a regular $k$-chromatic graph that is not complete

1 vote
1 answer
51 views

How to do the Jacobian of $\vec{r}(\theta, z) = \langle 2\cos(\theta), 2\sin(\theta), z \rangle$

1 vote
2 answers
176 views

Indefinite Integral of ${\tan(x)}^{p/q}$

1 vote
1 answer
140 views

How to parameterize the surface of a cylinder in the xyz-plane?

1 vote
0 answers
71 views

$\int \frac1{1+x^n} dx$ [duplicate]

1 vote
1 answer
165 views

How to make the real and imaginary parts of the Riemann Zeta Function converge faster?

1 vote
1 answer
71 views

Show that the space of polynomials with real coefficients and $\mathbb{R}^{n+1}$ are isomorphic

1 vote
0 answers
103 views

Explain why the system of matrices $I, A, A^2, \ldots, A^{n^2 + 1}$ is dependent

1 vote
0 answers
86 views

Is this proof correct? For every $\alpha\in\mathbb{C}$, $\exists$ a unique $\beta\in\mathbb{C}$ such that $\alpha + \beta = 0$

1 vote
1 answer
54 views

(Continuation): Proof that for every $\alpha\in\mathbb{C}$ with $\alpha\neq0$, there exists a unique $\beta\in\mathbb{C}$ such that $\alpha\beta=1$ .

1 vote
1 answer
127 views

Generalized Fresnel Integral [duplicate]

1 vote
1 answer
113 views

Does there exist a numerical base such that $9 + 10 = 21$ is true?