# INDICES

• November 1st 2008, 09:59 AM
abey_27
INDICES
Express root 3 as a power of 9. thanks
• November 1st 2008, 10:03 AM
Moo
Hello,
Quote:

Originally Posted by abey_27
Express root 3 as a power of 9. thanks

We know that $3^2=9$

Take the 1/2 th power on each side :

$(3^2)^{1/2}=\boxed{3=9^{1/2}}$

that was using the rule $(a^b)^c=a^{bc}$

and now continue for $\sqrt{3}=3^{1/2}$ (Tongueout)