Write the following intervals in set-builder form :
$\left( {6,12} \right]$
$\left( {6,12} \right] = \{ x:x \in R,6\, < \,x\, \le 12\} $
Set $A$ has $m$ elements and Set $B$ has $n$ elements. If the total number of subsets of $A$ is $112$ more than the total number of subsets of $B$, then the value of $m \times n$ is
Which of the following pairs of sets are equal ? Justify your answer.
$A = \{ \,n:n \in Z$ and ${n^2}\, \le \,4\,\} $ and $B = \{ \,x:x \in R$ and ${x^2} – 3x + 2 = 0\,\} .$
The set $A = \{ x:x \in R,\,{x^2} = 16$ and $2x = 6\} $ equals
Examine whether the following statements are true or false :
$\{ 1,2,3\} \subset \{ 1,3,5\} $
If $A$ and $B$ are any two non empty sets and $A$ is proper subset of $B$. If $n(A) = 4$, then minimum possible value of $n(A \Delta B)$ is (where $\Delta$ denotes symmetric difference of set $A$ and set $B$)
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