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ponikoli
  • Member for 5 years, 9 months
  • Last seen more than 2 years ago
2 votes
1 answer
4k views

Solve recurrence for strings that do not contain the substring 101

1 vote
3 answers
219 views

Solving recurrence $X_n = 4X_{n-1}+5$

1 vote
2 answers
785 views

Prove that $ (A \subseteq B) \Leftrightarrow (A \cap B = A) $

1 vote
1 answer
90 views

Convert this sum to normal expression

1 vote
0 answers
98 views

Solving non-homogeneous system of equations with Rouche Capelli theorem

0 votes
2 answers
365 views

Find matrix rank

0 votes
2 answers
271 views

Find all vectors that suit $Ax = (1, 0, 0)$ where $A$ is linear mapping

0 votes
1 answer
43 views

Finding homogennous and particular solution of an equation

0 votes
1 answer
194 views

Is the following formula a tautology?

0 votes
2 answers
39 views

Solve the following recurrence $b(n)=0.9*b(n-1)+60, b(1)=300$

0 votes
1 answer
59 views

Solve a set of congruences

0 votes
1 answer
339 views

Arrange people at round table so that everyone knows the two people next to them

0 votes
2 answers
33 views

How to calculate this congruency?

0 votes
0 answers
101 views

Chinese remainder theorem - A, B and C think of a code

0 votes
2 answers
730 views

Solve linear congruences

-1 votes
1 answer
33 views

Derrangments function for coloring a chess table

-1 votes
2 answers
280 views

How to solve $V(n) = 2 \cdot V(n-1) + 2 \cdot n$