Question

state which of the following are not surd √3 √9 √13 √17​

Answer 1

Answer:

√9

Step-by-step explanation:

because the answer of √3, √13 and √17 comes in point, but the answer of √9 is perfect 3

Answer 2

Given:

√3 √9 √13 √17​

To find:

Which of the following are not surd

Solution:

• Surd are the non perfect square or irrational number and also which cannot be written as whole numbers.

$\sqrt{9} = 3$ which is a perfect square.

$\sqrt{3} ,\sqrt{13} ,\sqrt{17}$ cannot  be written as whole number so they are considered as surds.

Therefore $\sqrt{9}$ is not a surd