Question

Root 8×root 18=13.
How can we do this and how will get 13

Answer 1

bro your question is incorrect answere is 12.

Answer 2

$\sqrt{8} = 2 \sqrt{2} \\ \sqrt{18} = 3 \sqrt{2} \\ \\ = \sqrt{18} \times \sqrt{8} \\ = 2 \sqrt{2} \times 3 \sqrt{2} \\ = 6 \times 2 \\ 12 \\ \\ it \: will \: be \: 12 \\ never \: be \: 13$
hope it will help you.