SOLUTION: (sqrt5)^2 = 5. Why? I know it has to do with the exponent rule a >= 0.

Algebra ->  Equations -> SOLUTION: (sqrt5)^2 = 5. Why? I know it has to do with the exponent rule a >= 0.      Log On


   

Question 1093607: (sqrt5)^2 = 5. Why? I know it has to do with the exponent rule a >= 0.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
(sqrt5)^2 = 5. Why?
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By definition.
sqrt%285%29 is the value that when multiplied itself = 5.
sqrt%285%29%2Asqrt%285%29+=+5
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2*2 = 4
sqrt%284%29+=+2