Dark Mode

Recent questions tagged cartesian-product

2 votes

1 answer

1

NIELIT 2017 July Scientist B (IT) - Section B: 10
What is the Cartesian product of $A=\{1,2\}$ and $B=\{a,b\}$? $\{(1,a),(1,b),(2,a),(b,b)\}$ $\{(1,1),(2,2),(a,a),(b,b)\}$ $\{(1,a),(2,a),(1,b),(2,b)\}$ $\{(1,1),(a,a),(2,a),(1,b)\}$

admin asked in Set Theory & Algebra Mar 30, 2020

by admin

475 views

2 votes

2 answers

2

ISI2015-MMA-7
Let $X$ be the set $\{1, 2, 3, 4, 5, 6, 7, 8, 9, 10 \}$. Define the set $\mathcal{R}$ by $\mathcal{R} = \{(x,y) \in X \times X : x$ and $y$ have the same remainder when divided by $3\}$. Then the number of elements in $\mathcal{R}$ is $40$ $36$ $34$ $33$

Arjun asked in Set Theory & Algebra Sep 23, 2019

by Arjun

1.0k views

0 votes

1 answer

3

consider relation R1(A,B) and R2(C,D) ,where R1 contain 'm' tuples and R2 contain 'n' tuples and R1,R2 contain no common attribute and attribute B have NULL values then what is the number of tuples in cartesian product of R1 and R2?

neha pawar asked in Databases Jan 14, 2015

856 views

To see more, click for the full list of questions or popular tags.

Recent questions tagged cartesian-product