- #1
chwala
Gold Member
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- Homework Statement
- see attached
- Relevant Equations
- Complex numbers
For part (a),
##z##=##\dfrac {3+i}{3-i}## ⋅##\dfrac {3+i}{3+i}##
##z##=##\dfrac {4}{5}##+##\dfrac {3}{5}i##
part (b) no problem as long as one understands the argand plane...
For part (c)
Modulus of ##z=1##
and Modulus of ##z-z^*##=##\frac{6}{5}i##
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