If A = {1, 2, 4}, B = {2, 4, 5}, C = {2, 5}, then (A -B) × (B -C) is

English

Gujarati

Hindi

2.Relations and Functions

easy

If $A = \{1, 2, 4\}, B = \{2, 4, 5\}, C = \{2, 5\},$ then $(A -B) × (B -C)$ is

A

$\{(1, 2), (1, 5), (2, 5)\}$

B

$\{(1, 4)\}$

C

$(1, 4)$

D

None of these

Solution

(b) $A – B = \{ 1\} $ and $B – C = \{ 4\} $$(A – B) \times (B – C) = \{ (1,\,4)\} $.

Standard 11

Mathematics

Share

Similar Questions

If $R$ is the set of all real numbers, what do the cartesian products $R \times R$ and $R \times R \times R$ represent?

easy

If $G =\{7,8\}$ and $H =\{5,4,2\},$ find $G \times H$ and $H \times G$.

medium

If $A = \{ 2,\,4,\,5\} ,\,\,B = \{ 7,\,\,8,\,9\} ,$ then $n(A \times B)$ is equal to

easy

If $P=\{1,2\},$ form the set $P \times P \times P$

easy

The Cartesian product $A$ $\times$ $A$ has $9$ elements among which are found $(-1,0)$ and $(0,1).$ Find the set $A$ and the remaining elements of $A \times A$.

medium