Mathematics
JB-Franco's user avatar
JB-Franco's user avatar
JB-Franco's user avatar
JB-Franco
  • Member for 8 years, 9 months
  • Last seen more than a month ago
  • Italy
Profile Activity
Stats
804
reputation
85k
reached
0
answers
47
questions
Communities
View all
About

Ciao!

Badges
View all badges
3
gold badges
12
silver badges
36
bronze badges
Top tags
View all tags
0
Score
7
Posts
15
Posts %
0
Score
5
Posts
11
Posts %
0
Score
4
Posts
9
Posts %
0
Score
4
Posts
9
Posts %
0
Score
3
Posts
6
Posts %
0
Score
3
Posts
6
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
question
8
Sum of three dice is eleven
Aug 16, 2017
question
7
Why is the cosine of a right angle, 90 degrees, equal to zero?
Apr 22, 2018
question
5
Define the relation $\mathscr{R}$ on $\Bbb Z$ by $x \mathscr{R} y$ iff $xy >0$. I wish to examine several properties of this relation.
Feb 19, 2017
question
4
Prove the existence of a graph of 15 vertices with some vertices degree given
Feb 13, 2017
question
3
Find the invertible elements and zero divisors in the ring $(\mathbb{Z}_{21}, +, \cdot)$. For each invertible element find the inverse.
Feb 17, 2017
question
3
Verify that the following sequence defined recursively admits as closed formula another sequence
Feb 18, 2017
question
3
Two objects from the same company. What is the probability that the second object is defective, given that the first is defective.
Sep 22, 2017
question
2
Lattice divisors of 165, ordered by divisibility. Draw Hasse diagram, get complements, check if distributive, check if Boolean.
Feb 10, 2017
question
2
Prove that succession generated from an iterative function, converges to the root of the function.
Jun 16, 2020
question
2
Let $A = \mathbb{R} \times \mathbb{R}$, and the operation $* : A \times A \rightarrow A$ on $A$. Check if associative, commutative, identity, inverse.
Feb 16, 2017
Top network posts
View all network posts
7
How to arrive to the meaning of the kanji tonari 隣 through its components?
5
CSS display: table-row-group, to group two table cells together
5
Any text editor where I can collapse (fold) PHP array?

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.