SOLUTION: Simplify: sqrt 20 1 -------- - ------- 5 sqrt 5 I have a few answers to choose from and this problem has lost me. Here are the answers: A) 1/5 sqrt

Algebra ->  Square-cubic-other-roots -> SOLUTION: Simplify: sqrt 20 1 -------- - ------- 5 sqrt 5 I have a few answers to choose from and this problem has lost me. Here are the answers: A) 1/5 sqrt      Log On


   

Question 67962: Simplify:
sqrt 20 1
-------- - -------
5 sqrt 5
I have a few answers to choose from and this problem has lost me. Here are the answers:
A) 1/5 sqrt 5
B) Cannot be simplified
C) sqrt 20 - sqrt 5
-----------------
5
D) sqrt 20 - 5 sqrt 5
-----------------
sqrt 5
Thank you for your help!
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Simplify:
sqrt%2820%29%2F5+-+1%2Fsqrt%285%29 Simplify.
sqrt%284%2A5%29%2F5+-+sqrt%285%29%2Fsqrt%285%29sqrt%285%29
2sqrt%285%29%2F5-sqrt%285%29%2F5
sqrt%285%29%2F5 or %281%2F5%29sqrt%285%29