Question

Describe the following set in Roster form:

(iv) $\{x\in N:x=2n,n\in N\}$

Answer 1

Given: $x=2n\&x,n\in N$

Element of this set are,
$2,4,6,8,....$

$\therefore$ Roster form will be $=\{2,4,6,8,....\}$.