Question

root 27 + 3 root 12​

Answer 1

Answer:

$\sqrt{27} + 3 \sqrt{12} \\ = \sqrt{9 \times 3} + 3 \sqrt{4 \times 3} \\ = 3 \sqrt{3} + 3 \times 2 \sqrt{3} \\ = 3 \sqrt{3} + 6 \sqrt{3} \\ = 9 \sqrt{3}$