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Mathematics 15 Online
OpenStudy (anonymous):

Quick question... Is (3+4i)+(4-2i) = 7+2i???? Thanks!

OpenStudy (solomonzelman):

Yes, you are correct !

OpenStudy (anonymous):

Thank you so much!:)

OpenStudy (solomonzelman):

Whether "i" is meant to be just a variable, or an imaginary number... doesn't matter :)

OpenStudy (anonymous):

and (4+3i)(2-i) = 11+2i right???

OpenStudy (solomonzelman):

8-4i+6i+3 11+2 Yes, yes... I am just checking....

OpenStudy (anonymous):

So that is correct?:)

OpenStudy (solomonzelman):

Correct.

OpenStudy (anonymous):

Also.. When dividing the complex numbers, the first step is to multiply top and bottom by the complex _____ f the denominator. Is the correct answer conjugate?

OpenStudy (solomonzelman):

I don't quite get this statement.

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