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1.Set Theory
easy
In the following state whether $A=B$ or not :
$A=\{a, b, c, d\} ; B=\{d, c, b, a\}$
Option A
Option B
Option C
Option D
Solution
$A=\{a, b, c, d\} ; B=\{d, c, b, a\}$
The order in which the elements of a set are listed is not significant.
$\therefore A=B$
Standard 11
Mathematics
Similar Questions
Match each of the set on the left described in the roster form with the same set on the right described in the set-builder form:
$(i)$ $\{ P,R,I,N,C,A,L\} $ | $(a)$ $\{ x:x$ is a positive integer and is adivisor of $18\} $ |
$(ii)$ $\{ \,0\,\} $ | $(b)$ $\{ x:x$ is an integer and ${x^2} – 9 = 0\} $ |
$(iii)$ $\{ 1,2,3,6,9,18\} $ | $(c)$ $\{ x:x$ is an integer and $x + 1 = 1\} $ |
$(iv)$ $\{ 3, – 3\} $ | $(d)$ $\{ x:x$ is aletter of the word $PRINCIPAL\} $ |
medium