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The fourth root of 16 is positive 2 or negative 2 because 2*2*2*2 = 16

  • Within positive integers, 2.
  • If negative integers are permitted, -2 and 2.
  • In the complex domain, -2, 2, 2i and -2i (where i is the imaginary square root of -1).
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They are 2, -2, 2i and -2i.

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9y ago
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Q: What is the fourth root of 16 is?
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