# Surds question

• November 18th 2010, 02:15 PM
Natasha1
Surds question
Express (1 divided by square root of 2) to the power 9 in the form of square root of b divided by c, where b and c are integers?
• November 18th 2010, 02:26 PM
Plato
Hint: $\dfrac{1}{\sqrt2}=\dfrac{\sqrt2}{2}$
• November 18th 2010, 02:29 PM
TheCoffeeMachine
Quote:

Originally Posted by Natasha1
Express (1 divided by square root of 2) to the power 9 in the form of square root of b divided by c, where b and c are integers?

$\frac{1}{\sqrt{a}} = \frac{\sqrt{a}}{a}$.

EDIT: Oops, I didn't see Plato. (Bow)