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3) z₁= 3cis20
z ₂=5cis140 soru: |z₁− z₂|=?
4)z=(-2√2-2√2i)/cis(5∏/12) soru : im(z)=?
5)|z|≤1, A=|z+3−4i| soru : max(A) + min(A) =?