Part A - Complex number in rectangularform

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

2.00 + 5.00j

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All attempts used; correct answer displayed

You can useeither i or j to representthe 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. Notethat the angle is measured in degrees here.

To enter a complex number in polar form( a ? b), click the Templates menu() and selectPolar form complex number ().

20.0?30.0

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Correct

The question will mention if the phase angle expected is indegrees or radians. You will not have to insert the degreessymbol.

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

Significant Figures Feedback: Youranswer 20?30 = 20?30 was eitherrounded differently or used a different number of significantfigures than required for this part.

Part C - Complex conjugate of a vector

What is the complex conjugate ofvector A?

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

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

Part D - Complex conjugate of a complexnumber in rectangular form

The complex conjugate of 2+j3 is represented by (2+j3)?. Enterthe complex conjugate of 2+j3 below.

To enter the complex conjugate of a complex number(a+jb), click the Templates menu (), selectComplex conjugate (), and typea+jb.

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