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Author Topic: COMPLEX NUMBERS  (Read 992 times)

Offline Light

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COMPLEX NUMBERS
« on: May 25, 2010, 08:52:52 am »
how to do question 10 (iii) and 10 (iv).please draw out the relevant Argand diagram so that i could understand better especially (iii) .couldnt understand marking scheme.no idea why have to (4+2i)w and (4+2i)/w.HELP!!!!!!!!!!
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Offline astarmathsandphysics

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Re: COMPLEX NUMBERS
« Reply #1 on: May 25, 2010, 11:37:46 am »
When i get home
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Offline Light

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Re: COMPLEX NUMBERS
« Reply #2 on: May 26, 2010, 06:22:36 am »
anyone ?
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Offline astarmathsandphysics

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Re: COMPLEX NUMBERS
« Reply #3 on: May 26, 2010, 07:59:58 am »
Now
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Offline astarmathsandphysics

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Re: COMPLEX NUMBERS
« Reply #4 on: May 26, 2010, 08:13:23 am »
iii)z has argument theta and w has argument 120. When we divide by w we subtract 120 from argument of z and when we times by  w we add 120 to the adument.
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Offline astarmathsandphysics

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Re: COMPLEX NUMBERS
« Reply #5 on: May 26, 2010, 08:13:48 am »
see above attached doc
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