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27 August, 08:21

Find the principle fourth root of - 81, checking your answer by raising to the 4th power. If there are "no real roots," then type: NONE

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  1. 27 August, 09:29
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    Step-by-step explanation:

    There are actually 2 answers, 3 and - 3. Although if you put it in a calculator, it would show "math error" or undefined. That's because the index is even (4) and the radicand is negative (-81)
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