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November 01, 2025, 03:26:10 pm
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Author Topic: 2004 question 4) e) and f)  (Read 748 times)  Share 

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Biceps

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2004 question 4) e) and f)
« on: November 11, 2012, 01:03:10 pm »
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How on earth do we do those questions. It is questions like these that worry me about VCAA complex number questions :/
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polar

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Re: 2004 question 4) e) and f)
« Reply #1 on: November 11, 2012, 01:21:13 pm »
+2
It passes through Q which is , and also, since w is a complex number, it can be written in the form




Therefore, a possible is
« Last Edit: November 11, 2012, 01:24:41 pm by polar »
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Biceps

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Re: 2004 question 4) e) and f)
« Reply #2 on: November 11, 2012, 01:32:26 pm »
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Oh ok i get it now thanks :D
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Somye

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Re: 2004 question 4) e) and f)
« Reply #3 on: November 11, 2012, 01:37:59 pm »
+2
for f)

, and going back to our theory that an angle subtended by the diameter of a circle = 90 degrees

DM = diameter =
therfore

centre of circle =

and so {}
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Biceps

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Re: 2004 question 4) e) and f)
« Reply #4 on: November 11, 2012, 01:46:57 pm »
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Thanks a lot.
I actually used this method in an earlier question to find d. in d) ii) what was the right way of doing that one?
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