moimisnieSma4s moimisnieSma4s

21-11-2016
Mathematics

contestada

conjugate of 8+4i ...?

Respuesta :

21-11-2016

8 + 4i × 8 - 4i / 8 - 4i
64 - 16i^2 / 8 - 4i
64 - 16 ( - 1 ) / 8 - 4i
64 + 16 / 8 - 4i
80 / 8 - 4i
10 - 20i

Answer Link

scme1702 scme1702

22-11-2016

The conjugate of any complex number in the form
α + βi
is
α - βi
So the conjugate of
8 + 4i
is
8 - 4i

Answer Link

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