Question

Which of the following is surd?

i. √81 4 ii. √25 3 iii. √16 iv. √125​

Answer 1

Answer:

$1) \: \sqrt{81} = 9 \\ \\ 2) \: \sqrt{25} = 5 \\ \\ 3) \: \sqrt{16} = 4 \\ \\ 4) \: \sqrt{125} = \sqrt{3 \times 3 \times 3} = 3 \sqrt{3}$

☞ So √125 is a surd.

# keep smiling ☺

Answer 2

Answer:

3√3 is the correct answer hope you get it no explanation