Question

If ԑ = {x: x is an integer such that 1 < x > 20 }
find A' and B'

Answer 1

/* This question is incomplete. */

$Given \: E = \{x:x \:is \:an \:integer \:such \:that$

$1 \lt x \gt 20 \}$

$\implies E = \{ 20,21,22,\ldots \}$

Therefore.,

$\red{ E} \green { = \{ 20,21,22,\ldots \}}$

•••♪