Question

How do you simplify `sqrt98`?

Answer 1

`sqrt(98) = 7sqrt(2)`

Explanation:

We will use the following properties:
For `a, b >= 0`

• `sqrt(ab) = sqrt(a)sqrt(b)`

-`sqrt(a^2) = a`

Then, applying this,

`sqrt(98) = sqrt(49*2)`

`=sqrt(49)sqrt(2)`

`=sqrt(7^2)sqrt(2)`

`=7sqrt(2)`