What's the Answer ? \sqrt{ (225)/(9) } ​

Question

What's the Answer ?


`\sqrt{ (225)/(9) }`
​

Answer 1

First, simplify the content under root:

• 
  `\sqrt{(225)/(9)} =\\\\√(25)}} \\`

Now, use the following identity:

• 
  `√(a^2) = |a|` = ± a

Last, we get:

• √25 = √5² = ± 5

Answer 2

Solution given;

`\sqrt{ (225)/(9) }`

`\sqrt{ (15²)/(3²) }`

`\sqrt{ ((15)/(3) )²}`

`(15)/(3)`

=5