What is the real part of the complex number 4 + 5i? (2023)

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Question: What is the real part of the complex number 4 + 5i? (2023)

Options:

Correct Answer: 4

Solution:

The real part of the complex number 4 + 5i is 4.

What is the real part of the complex number 4 + 5i? (2023)

What is the real part of the complex number 4 + 5i? (2023)

Step 1: Identify the complex number given in the question, which is 4 + 5i.
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 4.
Step 4: The imaginary part is the number with 'i', which is 5i in this case.
Step 5: Conclude that the real part of the complex number 4 + 5i is 4.

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