Question

What is the value of 4√28 : 3√7 ?​

Answer 1

$= = > \: \: 4 \sqrt{28} \: : \: 3 \sqrt{7} \\ \\ = = > \: \: 4 \sqrt{7 \times 4} \: : \: 3 \sqrt{7} \\ \\ = = > \: \: 8 \sqrt{7} \: : \: 3 \sqrt{7} \\ \\ = = > \: \: 8 \: : \: 3$