Represent z as ; then . See here for multiplication and division on complex numbers.

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- September 18th 2012, 04:26 AM #1

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- September 18th 2012, 04:34 AM #2

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- September 18th 2012, 06:05 AM #7

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- September 18th 2012, 06:30 AM #8

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- September 18th 2012, 07:10 AM #9
## Re: help

Yes, that is correct. So you now have:

We factor out the 7 from the denominator to help keep the computations simple.

So, multiply the complex fraction by the conjugate of the denominator:

This will cause the denominator to be real, and you will then have the complex number in rectangular form.

- September 18th 2012, 07:32 AM #10

- September 18th 2012, 04:26 PM #11