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What is the real part of the complex number z = 5 - 4i?

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Question: What is the real part of the complex number z = 5 - 4i?

Options:

  1. 5
  2. -4
  3. 4
  4. 0

Correct Answer: 5

Solution: 

The real part of z = 5 - 4i is 5.

What is the real part of the complex number z = 5 - 4i?

Practice Questions

Q1
What is the real part of the complex number z = 5 - 4i?
  1. 5
  2. -4
  3. 4
  4. 0

Questions & Step-by-Step Solutions

What is the real part of the complex number z = 5 - 4i?
Correct Answer: 5
  • Step 1: Identify the complex number given in the question, which is z = 5 - 4i.
  • Step 2: Understand that a complex number has two parts: a real part and an imaginary part.
  • Step 3: The real part is the number without the 'i'. In this case, it is 5.
  • Step 4: Conclude that the real part of the complex number z = 5 - 4i is 5.
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