Question

1. Represent the following sets in tabular or listing form:

(i) A={x:x^2 - 3x + 2 = 0}

(ii) B= { x:x is an integer and 1 < x < 7}

Answer 1

i)

$x^2 - 3x + 2 = 0$

$x=\frac{3\pm \sqrt{9-8}}{2}$

$x=\{1,2\}$

ii)

$x=\{2,3,4,5,6\}$