VCE Stuff > VCE Specialist Mathematics
A Spesh question from me
/0:
I wish they would say |z| instead of mod z, since it's less ambiguous
Ahmad:
--- Quote from: Glockmeister on February 04, 2008, 09:37:04 pm ---From my assignment
If , where , show that the number is real only if
--- End quote ---
Another way. Since ,
Let . (r >= 0)
Then, .
Setting imaginary part equal to zero, since is real, gives
J.Z-M:
WOW!
Youse FSN'ers are crazy at maths.
You make it look so simple.
midas_touch:
Coblin's method is great if u really wanna show off ur maths skills.
Ahmad's method is great for an exam situation when u have very little time.
Glockmeister:
Thanks guys
--- Quote from: DivideBy0 on February 04, 2008, 11:04:45 pm ---I wish they would say |z| instead of mod z, since it's less ambiguous
--- End quote ---
Well... they did, but I couldn't find the LaTeX code for it.
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