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Calculati (1+i)(1-2i)-2(1+i) ... urgent ..dau coroana!:D



Răspuns :

((1 + i) * (1 - (2 * i))) - (2 * (1 + i)) =1 - 3 i

(1+i-2i+2)-2-2i=3-i-2-2i=1-3i