State which of the following sets are finite or infinite :
$\{ x:x \in N$ and $(x - 1)(x - 2) = 0\} $
Given set $ = \{ 1,2\} .$ Hence, it is finite.
State whether each of the following set is finite or infinite :
The set of letters in the English alphabet
Write down all the subsets of the following sets
$\emptyset $
In rule method the null set is represented by
Write the following as intervals :
$\{ x:x \in R, – 12\, < \,x\, < \, – 10\} $
Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?
$\{1,2,3\}\subset A$
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