mori2
mori2
05-10-2017
Mathematics
contestada
What is (-1+8i)(-8+8i)
Respuesta :
mashteyman
mashteyman
05-10-2017
Here you need to apply the complex arithmetic rule: (a+bi) (c+di)
a=-1
c=-8
b=8
d=8
(-1 · (-8) -8·8) + (-1 · 8i+8(-8)i
8-64+-8i-8i-64i
-56-72i
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