SOLUTION: simplify
the square root of 20
over 5 minus
1
over the square root of 5
A) square rootof 20-5 square root of 5 over square root of 5
B) square root of 20 -square root of 5
Algebra.Com
Question 87947: simplify
the square root of 20
over 5 minus
1
over the square root of 5
A) square rootof 20-5 square root of 5 over square root of 5
B) square root of 20 -square root of 5 over 5
C) cannot be simplified
D)1/5 square root of 5
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
There are two ways to interpret what you are asking here. One interpretation is this:
The other interpretation is this: . My guess is that you meant the second interpretation, since it matches with one of your multiple choice answers, so that is how I will solve it.
Begin by simplifying the first square root and rationalize the denominator of the second fraction. Do you understand how to do these steps?
It looks ugly, but at least you have a common denominator:
Combine like terms in the numerator:
or it can be written , which is the D answer.
R^2 Retired from SCC
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