4 years ago

Multiply -3i and it’s conjugate. Simplify.

Mathematics

1 answer:

Alex_Xolod [135]4 years ago

5 0

Answer:

-3 + 9i

Step-by-step explanation:

The conjugate of -3i is - 3 - i.

(- 3 i) × (- 3 - i)

Multiply both terms.

-3 + 9i

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Step-by-step explanation:

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