Question

prove that
$5 - 3 \div 7 \sqrt{3}$is irrational​

Answer 1

Step-by-step explanation:

$5 - \frac{3}{7 \sqrt{3} } = 5 - \frac{ \sqrt{3} }{7} \\ = \frac{35 - \sqrt{3} }{7}$

it is an irrational number

Note: The difference of a rational number and an irrational number is always irrational.