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What is the product of the complex numbers below?
(4-2i) (1 +7i)


What Is The Product Of The Complex Numbers Below 42i 1 7i class=

Sagot :

Answer:

B

Step-by-step explanation:

Note that i² = - 1

Given

(4 - 2i)(1 + 7i) ← expand factors using FOIL

= 4 + 28i - 2i - 14i²

= 4 + 26i + 14

= 18 + 26i → B

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