Chapter 8.1, Problem 3WE

To determine

The given expression.

Answer to Problem 3WE

The simplified form is $\sqrt{45}=3\sqrt{5}$ .

Explanation of Solution

Given information:

The given expression is $\sqrt{45}$ .

The given expression is $\sqrt{45}$

It can be further written as

  $\begin{array}{c}\sqrt{45}=\sqrt{3^2\times 5}\\ =3\sqrt{5}\end{array}$

Since square root is positive quantity so neglecting negative sign.

Therefore, the simplified form is $\sqrt{45}=3\sqrt{5}$