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    Solving several questions on complex numbers

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    These questions involve trigonometry, complex numbers, polar equations, and parametric equations. See below for the problems I require assistance with, and refer to the attachments to find details regarding those problems.

    Show all work in a Word document.

    p. 357 #61,

    p. 358 #81

    p 359, #115

    p. 364 #27

    p, 365 #41

    p. 370 #13

    p. 371, #43, #45

    p. 390 #77

    p. 391, #81

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    https://brainmass.com/math/functional-analysis/solving-several-questions-complex-numbers-587381

    Attachments

    Solution Preview

    Please check attachment. I answered all the questions in the attached word file.

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    p. 357 #61
    -i√2-2-(6-4i√2)-(5-i√2)=(-2-6-5)+(-√2+4√2+√2)i=-13+(4√2)i

    p. 358 #81
    (6+2i)/(1+2i)=[(6+2i)(1-2i)]/[(6+2i)(1-2i)]=(6-12i+2i+4)/(1-4i2)=(10-10i)/5=2-2i

    p 359, #115
    Total impedance is (50+15i)+(60+17i)=110+32i

    p. 364 #27
    10(cos90˚+isin90˚)=10(0+i*1)=10i

    p, 365 #41

    p. 370 #13 ...

    Solution Summary

    The solution gives detailed steps on solving several questions on complex numbers including polar coordinate, rectangular coordinate and complex standard form.

    $2.19