Ask
Login
TAGGED IN

Discrete Mathematics

Follow this tag to get notifications whenever a new post is added

ALL TAGS
2
votes
1
answer
47k
views
1
answer
R be a relation on set of integers Z defined by R = {(x, y) | x-y is divisible by 3} Show that R is an equivalence relation and describe the equivalence classes.
discrete mathematics updated 21 months ago by sagarkolekar ★ 11k
0
votes
1
answer
21k
views
1
answer
Draw its Hasse diagram. P(A) is the power set of A.
discrete mathematics updated 21 months ago by sagarkolekar ★ 11k
6
votes
1
answer
68k
views
1
answer
Prove that the set G = (1, 2, 3, 4, 5, 6) is an abelian group under multiplication modulo 7.
discrete mathematics updated 21 months ago by sagarkolekar ★ 11k
3
votes
1
answer
8.4k
views
1
answer
Find the complement of each element in D30
discrete mathematics updated 23 months ago by sagarkolekar ★ 11k
5
votes
1
answer
33k
views
1
answer
Draw Hasse Diagram of $D_{42}$, Find the complement of each element in $D_{42}$.
discrete mathematics updated 23 months ago by sagarkolekar ★ 11k
0
votes
1
answer
9.2k
views
1
answer
$\text{Find the generating function for the following finite sequences} \\1. \ \ \ \ 1, 1, 1, 1, 1, 1,......$
discrete mathematics updated 23 months ago by sagarkolekar ★ 11k
0
votes
1
answer
1.7k
views
1
answer
Determine the group code
discrete mathematics updated 2.2 years ago by pedsangini276 • 4.8k
0
votes
1
answer
1.5k
views
1
answer
Write short note on growth of functions.
discrete mathematics updated 2.2 years ago by Krishna_Agrawal • 2.7k
0
votes
1
answer
2.9k
views
1
answer
Define isomorphism of graphs. find if the following two graphs are isomorphic. if yes find one to one correspondence between the vertices.
discrete mathematics updated 2.2 years ago by pedsangini276 • 4.8k
2
votes
1
answer
528
views
1
answer
If, $ f(x)=x, \quad 0<x<\frac{\pi}{2} $ $ =\pi-x, \quad \frac{\pi}{2}<x<\pi $ show that, (i) $f(x)=\frac{4}{\pi}\left[\sin x-\frac{\sin 3 x}{3^{2}}+\frac{\sin 5 x}{5^{2}}-\ldots \ldots\right]$
discrete mathematics updated 2.2 years ago by prajapatijaimin • 3.1k
0
votes
1
answer
468
views
1
answer
Find the normals to the ellipse $x^{2} / 9+y^{2} / 4=1$ which are farthest from its centre.
discrete mathematics updated 2.2 years ago by prajapatijaimin • 3.1k
0
votes
1
answer
378
views
1
answer
If $\alpha=e^{2 \pi i / 7}$ and $f(x)=A_{0}+\sum_{k=1}^{20} A_{k} x^{k} \\$, then find the value of, $f(x)+f(\alpha x)+\ldots+f\left(\alpha^{6} x\right)$ independent of $\alpha .$
discrete mathematics updated 2.2 years ago by prajapatijaimin • 3.1k
0
votes
1
answer
15k
views
1
answer
Draw the Hasse diagram of the following sets under the partial order relation divides and indicate which are chains. justify your answer.
discrete mathematics updated 2.3 years ago by sagarkolekar ★ 11k
1
vote
1
answer
4.2k
views
1
answer
Find got, fog, foh, gofoh.
discrete mathematics updated 2.3 years ago by sagarkolekar ★ 11k
0
votes
1
answer
1.7k
views
1
answer
Question based on pigeonhole principle
discrete mathematics updated 2.4 years ago by Krishna_Agrawal • 2.7k
1
vote
1
answer
30k
views
1
answer
A survey of 500 television watchers produced the following information:
discrete mathematics updated 2.4 years ago by pedsangini276 • 4.8k
2
votes
1
answer
22k
views
1
answer
Consider the group G = (1,2,3,4,5,6) under multiplication modulo 7 a) Find multiplication table of G b) find Inverse of every element
discrete mathematics updated 2.4 years ago by pedsangini276 • 4.8k
0
votes
1
answer
1.6k
views
1
answer
Let H= $\begin{bmatrix} 1&0&0 \\ 1&1&0 \\ 0&1&1 \\ 1&0&0 \\ 0&1&0 \\ 0&0&1 \end{bmatrix}$ be parity check matrix.
discrete mathematics updated 2.5 years ago by sagarkolekar ★ 11k
0
votes
1
answer
1.9k
views
1
answer
Show that if every element in a group is its own inverse, then the group must be abelian.
discrete mathematics updated 2.5 years ago by sagarkolekar ★ 11k
0
votes
1
answer
2.4k
views
1
answer
Let G={1, 2, 3, 4, 5, 6}. Prove that $(G, x_7)$ is a finite Abelian group with respect to multiplication modulo 7.
discrete mathematics updated 2.5 years ago by sagarkolekar ★ 11k
0
votes
1
answer
1.4k
views
1
answer
Let H= $\begin{bmatrix} 1&0&0 \\ 1&1&0 \\ 0&1&1 \\ 1&0&0 \\ 0&1&0 \\ 0&0&1 \end{bmatrix}$ be parity check matrix.Determine the group code $e_H: B^2->B^5$
discrete mathematics updated 2.5 years ago by pedsangini276 • 4.8k
0
votes
1
answer
1.1k
views
1
answer
Show that a group G is Ablian, if and only if $(ab)^2 = a^2 b^2$ for all elements a and b in G
discrete mathematics updated 2.5 years ago by pedsangini276 • 4.8k
0
votes
1
answer
11k
views
1
answer
Show that the (2, 5) encoding function e: $B^2-> B^5$ defined by e(00) = 00000 e(01) = 01110 e (10) = 10101 e (11) = 11011 is a group code. How many errors will it detect and correct?
discrete mathematics updated 2.5 years ago by pedsangini276 • 4.8k
0
votes
1
answer
5.0k
views
1
answer
Prove that the set A= {0,1,2,3,4,5} is a finite Abelian group under addition modulo 6.
discrete mathematics updated 2.5 years ago by pedsangini276 • 4.8k
0
votes
1
answer
42k
views
1
answer
Define group, monoid, semigroup.
discrete mathematics updated 2.5 years ago by pedsangini276 • 4.8k
<prev • 116 results • page 1 of 5 • next >