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18-12-2019
Mathematics

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Which expression is equivalent to 3i(9i +15)?
- 45 +9i
-27 + 452
27 +452
2722 + 452

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Аноним Аноним

18-12-2019

Answer: B. -27+452i

Step-by-step explanation: Simplify the real and imaginary parts of the expression.

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