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# Best Homework Help For Complex number

## Complex Number Sample Questions

Question 1: Simplify using the imaginary unit

Explanation: Apply the imaginary number rule.

Question 2: Simplify using the imaginary unit

Explanation: Apply the imaginary number rule.

Question 3: Simplify using the imaginary unit

Explanation: Apply the imaginary number rule.

Question 4: Identify the real and imaginary part of

Answer: Real part , imaginary part

Explanation: Compare the equation with

Question 5: Multiply:

Explanation: Distribute 4 inside the parenthesis.

Question 6: Find the value of

Explanation: Plug the value of

Question 7: Combine:

Explanation: Combine the imaginary part.

Question 8: Multiply:

Explanation: Use FOIL to distribute.

Question 9: Plot on the complex plane.

Explanation:  We know complex plane  is plotted as .

Question 10: Plot as a complex vector.