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What is (-1+8i)(-8+8i)
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What is (-1+8i)(-8+8i)

User Lorixx
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1 Answer

5 votes
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
User Tim Skauge
by
7.4k points
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