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Anna71 [15]
4 years ago
7

Multiply

\frac{-9i}{-3 - 9i}" align="absmiddle" class="latex-formula"> where i is the √-1
(-9i) / (-3 - 9i)
Mathematics
1 answer:
Dafna11 [192]4 years ago
7 0

You can simplify to 9i/3+9i

Multiply by 3 - 9i / 3 - 9i

You get 27i + 81 / 90

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