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What is the square root of the complex number -4? (2020)

Practice Questions

1 question
Q1
What is the square root of the complex number -4? (2020)
  1. 2i
  2. -2i
  3. 4i
  4. -4i

Questions & Step-by-step Solutions

1 item
Q
Q: What is the square root of the complex number -4? (2020)
Solution: The square root of -4 is √(-1) * √4 = 2i.
Steps: 0

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