Question

Calcule os valores de a e b na igualdade
(2a+b)+(a+2b)i=2-5i

Answer 1

2a+b=2
a+2b=-5

4a+2b=4
a+2b=-5

3a = 9
a = 3
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2.3 + b = 2
6 + b = 2
b=-4