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laser295

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7 Questions

views newest activity votes
 
4
votes
1
answer
124
views

If $p$ is a prime and $x,y \in \mathbb{Z}$, then $(x+y)^p \equiv x^p+y^p \pmod{p}$

elementary-number-theory
jul 8 at 17:02 Gigili 3,131
 
3
votes
2
answers
116
views

Is this function bijective?

proof-strategy
aug 1 at 3:18 Community♦ 1
 
3
votes
4
answers
174
views

Prove that there exists a natural number n for which $11\mid (2^{n} - 1)$

elementary-number-theory proof-strategy
jul 15 at 5:06 lab bhattacharjee 28.2k
 
2
votes
6
answers
445
views

How many equivalence classes does $R$ have?

discrete-mathematics proof-strategy
aug 1 at 23:30 Gerry Myerson 85.7k
 
1
vote
2
answers
193
views

Is this a function?

functions
aug 2 at 13:36 enzotib 2,211
 
1
vote
2
answers
155
views

Prove my induction (Golden Ratio)

proof-strategy
jul 24 at 0:09 Community♦ 1
 
0
votes
2
answers
86
views

Prove or Disprove $xa \equiv 1 \pmod{ n}$

elementary-number-theory proof-strategy modular-arithmetic
jul 16 at 19:29 Community♦ 1
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