Question

qual o conjugado do numero complexos (z=4/1-i)

Answer 1

$z=\frac{4}{1-i}=\frac{4}{1-i}.\frac{1+i}{1+i}=\frac{4+4i}{1^2-i^2}=\frac{4+4i}{2}=2+2i\newline\newline Conjugado\newline \~z= 2-2i$


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