Write the following intervals in set-builder form :
$\left( { - 3,0} \right)$
$\left( { – 3,0} \right) = \{ x:x \in R, – 3\, < \,x\, < \,0\} $
What universal set $(s)$ would you propose for each of the following :
The set of right triangles
Which of the following are sets ? Justify your answer.
A collection of novels written by the writer Munshi Prem Chand.
Write the following sets in roster form :
$B = \{ x:x$ is a natural number less than ${\rm{ }}6\} $
State which of the following sets are finite or infinite :
$\{ x:x \in N$ and $(x – 1)(x – 2) = 0\} $
Let $A=\{1,2,3,4,5,6\} .$ Insert the appropriate symbol $\in$ or $\notin$ in the blank spaces:
$ 5\, …….\, A$
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