SOLUTION: Prove that the square root of any perfect square number is equal to positive (+) and negative (-).
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Question 339040
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Prove that the square root of any perfect square number is equal to positive (+) and negative (-).
Answer by
Alan3354(69443)
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If n^2 is the number, then n*n = n^2 and (-n)*(-n) = n^2.
That applies to all numbers, not just perfect squares.