SOLUTION: z1=1+2i; z2=1-i write z1,z2 and z1Xz2 in polar form

Question 1117626: z1=1+2i; z2=1-i write z1,z2 and z1Xz2 in polar form
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

To create the polar representation of any complex number,

, first calculate the complex modulus

, then calculate the complex argument

, then the polar form is:

Note that the exact representation may require you to leave the argument specified as an arctangent.

To multiply two complex numbers, proceed as with any other binomials. However remember that when you multiply the "last" terms, you will be squaring

which results in a -1.

John

My calculator said it, I believe it, that settles it

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