Rax Adaam
  • Member for 7 years, 4 months
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13 answers
72 votes
56k views
77 bookmarks
Simplest proof of Taylor's theorem
1 answers
56 votes
4k views
41 bookmarks
Is it possible for a function to be smooth everywhere, analytic nowhere, yet Taylor series at any point converges in a nonzero radius?
11 answers
45 votes
21k views
30 bookmarks
What is a function?
2 answers
31 votes
5k views
12 bookmarks
Why is logistic equation called "logistic"?
4 answers
23 votes
53k views
9 bookmarks
Formula for Combinations With Replacement
2 answers
17 votes
63k views
8 bookmarks
Volume bounded by cylinders $x^2 + y^2 = r^2$ and $z^2 + y^2 = r^2$
3 answers
17 votes
2k views
4 bookmarks
Does the "field" over which a vector space is defined have to be a Field?
4 answers
17 votes
4k views
8 bookmarks
History of Dual Spaces and Linear Functionals
2 answers
10 votes
5k views
2 bookmarks
Is any divergence-free curl-free vector field necessarily constant?
5 answers
9 votes
25k views
7 bookmarks
Find a closed form of the series $\sum_{n=0}^{\infty} n^2x^n$
1 answers
8 votes
230 views
3 bookmarks
Generating an independent set
2 answers
8 votes
206 views
7 bookmarks
Winning strategy for a game
3 answers
8 votes
632 views
2 bookmarks
Find real number $a$ such that matrix $A$ is NOT diagonalisable
1 answers
8 votes
1k views
4 bookmarks
Why is this vector field not conservative, even though it has a potential? (what is the actual definition of a conservative vector field?)
1 answers
7 votes
4k views
4 bookmarks
Distinct combinations of non distinct elements
3 answers
6 votes
7k views
3 bookmarks
Changing 2nd order homogeneous differential equation to the one with constant coefficients
2 answers
6 votes
7k views
2 bookmarks
Binomial expansion, how to do them quickly?
4 answers
6 votes
14k views
6 bookmarks
Taylor expansion of $\arccos(1-x)$ around $x=0$ to two terms
4 answers
6 votes
8k views
3 bookmarks
Units of $M_2(Z)$
2 answers
5 votes
523 views
1 bookmarks
Determining the domain of a polynomial with rational exponents
3 answers
5 votes
3k views
1 bookmarks
Image of function definition notation
1 answers
5 votes
2k views
3 bookmarks
For a set such as $\{n_1, n_2,\ldots n_k\}$, how can I create all combinations?
2 answers
5 votes
27k views
5 bookmarks
Finding the reflection that reflects in an arbitrary line y=mx+b
3 answers
5 votes
4k views
1 bookmarks
Physical meaning of boundary conditions in the diffusion equation
2 answers
5 votes
8k views
4 bookmarks
Gauss's divergence theorem for a scalar field
0 answers
3 votes
1k views
2 bookmarks
Simple Proof of Binomial Theorem for Negative Integer Powers
3 answers
3 votes
2k views
2 bookmarks
Linear dependence of set of linear combinations of linearly independent vectors
3 answers
3 votes
2k views
1 bookmarks
Lagrange remainder and Taylor series
1 answers
3 votes
3k views
1 bookmarks
Help to understand the basis for a dual space
2 answers
2 votes
1k views
3 bookmarks
Use Lagrange Remainder Theorem to Prove Inequality