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Artem
  • Member for 11 years, 7 months
  • Last seen more than a month ago
9 votes
4 answers
2k views

Two rifleman shooting at a target where the game ends when two hits are observed.

8 votes
1 answer
5k views

Find the $n^{\rm th}$ digit in the sequence $123456789101112\dots$ [duplicate]

5 votes
1 answer
297 views

Solving equation with absolute value signs

5 votes
4 answers
6k views

Prove that an expression is divisible by a polynomial

5 votes
2 answers
7k views

Express AND in terms of OR, XOR, NOT

4 votes
1 answer
7k views

Show that 3-regular graph (with Hamiltonian cycle) has chromatic index 3

4 votes
4 answers
981 views

How to think about orbits and stabilizers

3 votes
1 answer
234 views

An improper triple integral where the domain is a cube

3 votes
0 answers
220 views

Implicit differentiation gives different results

3 votes
0 answers
621 views

Intersection between a sphere and a plane and parametrization

3 votes
2 answers
123 views

Correct reasoning when proving the multiplication property in modular arithmetic?

3 votes
2 answers
2k views

Does radix 1 exists? [duplicate]

2 votes
0 answers
256 views

Find the right degree of the Maclaurin polynomial of $e^x$

2 votes
1 answer
1k views

Finding derivative of the inverse without the inverse

2 votes
1 answer
3k views

Surface integral over parabolic cylinder that lies inside another cylinder

2 votes
1 answer
450 views

Finding the flux of the surface $z=a-x^2-y^2$ lying above $z=b<a$

2 votes
2 answers
269 views

Number of faces with 4 vertices

2 votes
1 answer
204 views

Evaluating a triple integral by inspection

2 votes
1 answer
733 views

Application Stokes's Theorem

2 votes
1 answer
325 views

How to find the intensity matrix $Q$ in a reliability process (Markovs chains)?

1 vote
0 answers
153 views

Number of affine points on an elliptic curve

1 vote
1 answer
3k views

Implications of zero divergence ($\nabla \cdot F$) when finding the flux

1 vote
1 answer
441 views

Evaluating double integrals by inspection

1 vote
0 answers
242 views

Surface integral with domain that contains an infinite cone

1 vote
0 answers
108 views

Find the power series for a definite integral

1 vote
1 answer
126 views

What type of function is this close to?

1 vote
1 answer
34 views

How to name a matrix with restricted input values?

1 vote
1 answer
66 views

Solve for $b$ in $a \mathbin{\oplus} b = b-a $

1 vote
1 answer
43 views

Why are the uncertainties so different?

0 votes
2 answers
183 views

Correct $(0.11111111...)_{2}=(10)_{2}$?