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.
In each of the following, determine whether the statement is true or false. If it is true, prove it. If it is false, give an example.
If $A \subset B$ and $B \subset C,$ then $A \subset C$
Write the following sets in the set-builder form :
$\{ 2,4,6 \ldots \} $
$\{ 1,4,9 \ldots 100\} $
${\rm{\{ 5,25,125,625\} }}$
List all the elements of the following sers :
$A = \{ x:x$ is an odd natural number $\} $
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