Find the Product $$( - 1 - 3 \mathrm { i } ) ( - 1 + 3 \mathrm { i } )$$

question 128

Multiple Choice

Find the product. Write the answer in standard form.
- $$( - 1 - 3 \mathrm { i } ) ( - 1 + 3 \mathrm { i } )$$

• A) \(- 8\)
• B) \(1 - 9 \mathrm { i } ^ { 2 }\)
• C) \(1 + 9 \mathrm { i } ^ { 2 }\)
• D) 10

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Definitions:

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