Square Root question

Question

0

571

2

Can you please answer me this simple question?

-sqrt(5/9=

a) -sqrt(5/3

b) -5/3

If it is the first,can you please explain me why the square root still remains.

Thank you

Guest Nov 28, 2016

ElectricPavlov · Answer 1 · 2016-11-28T04:27:41

- sqrt(5/9) = - sqrt 5 / sqrt 9 = - ( sqrt 5) / 3

Be aware of where and how you use brackets.....they change the value of the answer if misplaced !

Guest · Answer 2 · 2016-11-28T04:31:06

It is the first answer. The reason is because Sqrt(a/b) = Sqrt(a) / Sqrt(b)

So - sqrt(5/9) = - Sqrt(5)/Sqrt(9) = - sqrt(5) /3