Multiply: $(3 i) (4 + 3 i) (52 i)$

63 - 2 i

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23 - 7 i

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45 - 6 i

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85 - 5 i

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Solution

The correct option is D $85 - 5 i$
$3 i (4 + 3 i) (52 i) = 156 i^{2} (4 + 3 i) = - 156 (4 + 3 i) = - 624 - 468 i$

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Multiply: (3i)(4+3i)(52i)

The correct option is D 85−5i3i(4+3i)(52i)=156i2(4+3i)=−156(4+3i)=−624−468i

Multiply: $(3 i) (4 + 3 i) (52 i)$

The correct option is D $85 - 5 i$
$3 i (4 + 3 i) (52 i) = 156 i^{2} (4 + 3 i) = - 156 (4 + 3 i) = - 624 - 468 i$