Write the following as intervals :
$\{ x:x \in R, - 4\, < \,x\, \le \,6\} $
$\{ x:x \in R, – 4\, < \,x\, \le \,6\} = ( – 4,6]$
Write the following sets in the set-builder form :
${\rm{\{ 2,4,8,16,32\} }}$
Which of the following are sets ? Justify your answer.
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If a set $A$ has $n$ elements, then the total number of subsets of $A$ is
$\{ x:x \in R,3\, \le \,x\, \le \,4\} $
Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?
$\{ 3,4\} \subset A$
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