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29-08-2018
Mathematics

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What is the product of the complex numbers (−3i + 4) and (3i + 4)?

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KatsuekiX KatsuekiX

29-08-2018

(-3i+4) (3i+4)

(-3i*3i)+(-3i*4)+(3i*4)+(4*4)

-3i^2 - 12i + 12i + 16

Since i^2 = -1

we get:

9 - 12i + 12i + 16

=25

Therefore, the product of the complex numbers is 25.

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