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29-01-2019
Mathematics

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Which expression is the equivalent to (4+7i)(3+4i)

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1969976289 1969976289

29-01-2019

Answer:

-16 + 37i

Step-by-step explanation:

First expand.

You get 12 + 16i + 21i + 28i^2.

Because [tex]i=\sqrt{-1}[/tex], you get 12 + 37i - 28 or -16 + 37i. [tex]\blacksquare[/tex]

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31-01-2022

Answer:

A. -16+37i

Step-by-step explanation:

did it on edge

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