Calculate the amount lzl of the complex number

would glad if u guys could give me exemple because i cant find what lzl is

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- Sep 18th 2012, 03:26 AM #1

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- Sep 18th 2012, 03:34 AM #2

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- Sep 18th 2012, 05:30 AM #8

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- Sep 18th 2012, 06:10 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.

- Sep 18th 2012, 06:32 AM #10

- Sep 18th 2012, 03:26 PM #11