SOLUTION: what is the square root of 4 over 5 but not in decimal form?
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Question 256651: what is the square root of 4 over 5 but not in decimal form?
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
Here is the question:
We are allowed to split the sqrt as
Now sqrt(4) = 2, so , we get
but we don't like sqrt's in the denominator, so, we rationalize by multiplying by sqrt(5) on top and bottom as
/
and then
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