dados z1=2+3i e z2=2-5i,resolva
a)z1.z2
b)z1-z2
por favor me AJUDEM............
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Boa noite Jhonatan!
Solução!
Não esqueça!
![B)\\\\
Z_{1}=(2+3i)\\\\ Z_{2}=(2-5i)\\\\\\
Z_{1}-Z_{2}\\\\
((2+3i)-(2-5i)) \\\\\
((2+3i)+(-2+5i))\\\\
(2-2+3i+5i)\\\\
(0+8i)\\\\
8i](https://tex.z-dn.net/?f=B%29%5C%5C%5C%5C%0AZ_%7B1%7D%3D%282%2B3i%29%5C%5C%5C%5C+Z_%7B2%7D%3D%282-5i%29%5C%5C%5C%5C%5C%5C%0AZ_%7B1%7D-Z_%7B2%7D%5C%5C%5C%5C%0A%28%282%2B3i%29-%282-5i%29%29+%5C%5C%5C%5C%5C%0A%28%282%2B3i%29%2B%28-2%2B5i%29%29%5C%5C%5C%5C%0A%282-2%2B3i%2B5i%29%5C%5C%5C%5C%0A%280%2B8i%29%5C%5C%5C%5C%0A8i%0A "B)\\\\
Z_{1}=(2+3i)\\\\ Z_{2}=(2-5i)\\\\\\
Z_{1}-Z_{2}\\\\
((2+3i)-(2-5i)) \\\\\
((2+3i)+(-2+5i))\\\\
(2-2+3i+5i)\\\\
(0+8i)\\\\
8i")
Boa noite!
Bons estudos!
Solução!
Não esqueça!
Boa noite!
Bons estudos!
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