tentukan hasil dari 3 akar 15 × akar 10 per akar 3

[tex]3 \sqrt{15} \times \frac{ \sqrt{10} }{ \sqrt{3} } \\ = 3 \sqrt{5} \sqrt{3} \times \frac{ \sqrt{10} }{ \sqrt{3} } \\ = 3 \sqrt{5} \times \sqrt{10} \\ = 3 \sqrt{5} \times \sqrt{5} \sqrt{2} \\ = 3 \times 5 \sqrt{2} \\ = 15 \sqrt{2} [/tex]

3√15 x [tex] \frac{ \sqrt{10} }{ \sqrt{3} } [/tex]
= 3√15.[tex] \frac{ \sqrt{10} }{ \sqrt{3} } . \frac{ \sqrt{3}}{ \sqrt{3} } [/tex]
=3√15.√30/3
=√450
=√25.√18
=5√9.√2
=5.3√2
=15√2