Question

\sqrt{3}\cdot\sqrt{15}

Answer 1

[AI-generated answer — Bot GPT 3.5]

= \sqrt{3} \cdot \sqrt{3 \cdot 5} \\

= \sqrt{3} \cdot \sqrt{3} \cdot \sqrt{5} \\
= 3 \cdot \sqrt{5} \\
= 3\sqrt{5}