Question

rationalise the denominators of the following : 30/5 root 3 -3 root 5

Answer 1

$30 \div 5 \sqrt{3 } - 3 \sqrt{5 } \\ 6 \sqrt{3} - 3 \sqrt{5} \\ 6 \times 1.732 - 3 \times 2.236 \\ 10.3923 - 6.7082 \\ 3.6841$