user avatar
user avatar
user avatar
Jim
  • Member for 4 years, 3 months
  • Last seen this week
16 votes
4 answers
3k views

Why are abelian groups of interest? What is their usefulness?

5 votes
2 answers
462 views

Why multiplication of 142857 with 2,3,4,5,6 gives the same digits shifted?

3 votes
1 answer
87 views

Is this minus in the proof by substitution a typo?

3 votes
3 answers
82 views

Error in my approach to prove that $(m-1)^{m-1} \equiv m - 1 \pmod m$ using a concrete example

3 votes
2 answers
136 views

Rolling a die twice in either order with not mutual exclusive events

3 votes
1 answer
155 views

Why is CDF the only way to randomly select from samples?

3 votes
0 answers
51 views

Forming circuit with straight moves

2 votes
2 answers
79 views

Why is my result not matching exactly with the solution of the problem?

2 votes
1 answer
78 views

Estimate amount spent

2 votes
1 answer
68 views

Counting chessboard rectangles

2 votes
0 answers
71 views

Use induction to prove that pegs in a line can be interchanged

2 votes
1 answer
211 views

Prove that the data given produce the fibonnaci sequence if that is indeed the solution

2 votes
0 answers
32 views

If product is multiple of a number what information can we draw? [duplicate]

2 votes
0 answers
36 views

Showing equality based on 2 equations

2 votes
2 answers
197 views

Difference of induction and divide and conquer

2 votes
1 answer
49 views

Conventions for defining inductive base case

2 votes
3 answers
90 views

Randomly choosing a number and then the dealer picks $20$ from the same set

2 votes
3 answers
75 views

Count multiples of 7 between range using positioning

2 votes
1 answer
594 views

Number of multiples of 2 or 3 in range [1,100]

2 votes
2 answers
85 views

Halving input but not at each step of a process

2 votes
3 answers
89 views

Prove multiplication closure for the sequence of 1,4,7,10....

2 votes
2 answers
92 views

Find the number of drinking people (problem from 1544)

2 votes
1 answer
177 views

What is the property of co-primes that allows CRT to work?

2 votes
3 answers
103 views

square root of $1 \pmod m$ for prime $m$ and non prime $m$

2 votes
2 answers
130 views

Relation of totient, cycle length of multiplication and divisors

2 votes
4 answers
270 views

Infinitely many primes of the form $6x + 5$ [duplicate]

2 votes
1 answer
158 views

Why is the radius chosen for radians?

2 votes
1 answer
225 views

Correct comparison of real number for n digits precision (absolute vs relative difference)

2 votes
1 answer
107 views

Wrong answers to simple trigonometry questions

2 votes
6 answers
237 views

How do we choose/find the rational sequence that is asymptotic to an irrational one?

1
2 3 4 5