Part A - Complex number in rectangular form What is (1+2j) + (1+3j)? Your answer should contain three significant figures

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Part A - Complex number in rectangular form

What is (1+2j) + (1+3j)? Your answer should contain three significant figures.

2.00 + 5.00j

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All attempts used; correct answer displayed

You can use either i or j to represent the imaginary unit.

Add the real portion and imaginary portion.

Part B - Complex number in polar form

What is 10∠ 30 + 10∠ 30? Answer in polar form. Note that the angle is measured in degrees here.

To enter a complex number in polar form ( a ∠ b), click the Templates menu () and select Polar form complex number ().

20.0∠30.0

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Correct

The question will mention if the phase angle expected is in degrees or radians. You will not have to insert the degrees symbol.

If you are not specifically asked to use the polar form, you can use the rectangular equivalent.

Significant Figures Feedback: Your answer 20∠30 = 20∠30 was either rounded differently or used a different number of significant figures than required for this part.

Part C - Complex conjugate of a vector

What is the complex conjugate of vector A?

To enter the complex conjugate of a vector (A), click the Templates menu (), select Complex conjugate (), and A.

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Incorrect; Try Again; 5 attempts remaining

The correct answer involves the variable A, which was not part of your answer.

Part D - Complex conjugate of a complex number in rectangular form

The complex conjugate of 2+j3 is represented by (2+j3)∗. Enter the complex conjugate of 2+j3 below.

To enter the complex conjugate of a complex number (a+jb), click the Templates menu (), select Complex conjugate (), and type a+jb.