Square Root Question????

This topic has expert replies
Junior | Next Rank: 30 Posts
Posts: 11
Joined: Tue Aug 26, 2008 6:20 pm
Location: new york

Square Root Question????

by dsheppard » Tue May 12, 2009 4:06 pm
Hello!!! A little help Please!

How would you multiply:

(2 sqrt 2) X (2 sqrt 2)

User avatar
Legendary Member
Posts: 519
Joined: Sat Jan 27, 2007 7:56 am
Location: India
Thanked: 31 times

by Neo2000 » Tue May 12, 2009 6:49 pm
Consider this as (2a) x (2a) where a = sqrt2

So you now have 4(a^2)
(sqrt2)^2 = 2
Which means you have 4(2) = 8