Sqroot question

This topic has expert replies
Master | Next Rank: 500 Posts
Posts: 353
Joined: Sat Jan 20, 2007 1:29 am
Location: Italy
Thanked: 7 times
GMAT Score:720

Sqroot question

by mjjking » Sun Mar 22, 2009 1:55 am
Guys,
is sqroot(9+sqroot80) x sqroot(4+4throot23)

= sqroot [(9+sqroot80)x(4+4throot23)] ?

thanks!
Beat The GMAT - 1st priority
Enter a top MBA program - 2nd priority
Loving my wife: MOST IMPORTANT OF ALL!

REAL THING 1 (AUG 2007): 680 (Q43, V40)
REAL THING 2 (APR 2009): 720 (Q47, V41)
Source: — Problem Solving |

User avatar
Legendary Member
Posts: 682
Joined: Fri Jan 16, 2009 2:40 am
Thanked: 32 times
Followed by:1 members

Re: Sqroot question

by Vemuri » Sun Mar 22, 2009 2:37 am
Yes, they are equal.

sqrt(x) * sqrt(y) = sqrt(x*y)