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Find the Product $\mathrm { i } ( 9 - 3 \mathrm { i } ) ( 5 - 3 \mathrm { i } )$

Question 298

Multiple Choice

Find the product. Write the answer in standard form.
- $\mathrm { i } ( 9 - 3 \mathrm { i } ) ( 5 - 3 \mathrm { i } )$

A) $9 \mathrm { i } ^ { 3 } + 42 \mathrm { i } ^ { 2 } + 45 \mathrm { i }$
B) $- 42 - 36 i$
C) $54 + 12 \mathrm { i }$
D) $42 + 36 i$

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