Explain the error in Exercises 6566. (-9) = -9. V-9 = 81 = 9
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Explain the error in Exercises 65–66.
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(√-9)² = √-9. V-9 = √81 = 9
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In Exercises 6566 the error lies in assuming that the rule for multiplying square roots can be appli...View the full answer
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