Solved

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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