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What is the real part of the complex number 5 - 7i?

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Question: What is the real part of the complex number 5 - 7i?

Options:

  1. 5
  2. -7
  3. 0
  4. 7

Correct Answer: 5

Solution: 

The real part of 5 - 7i is 5.

What is the real part of the complex number 5 - 7i?

Practice Questions

Q1
What is the real part of the complex number 5 - 7i?
  1. 5
  2. -7
  3. 0
  4. 7

Questions & Step-by-Step Solutions

What is the real part of the complex number 5 - 7i?
  • Step 1: Identify the complex number given in the question, which is 5 - 7i.
  • 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: The imaginary part is the number with 'i', which is -7i in this case.
  • Step 5: Conclude that the real part of the complex number 5 - 7i is 5.
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