dralbertroy dralbertroy

21-06-2020
Mathematics

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Perform the operation. Give the answer in a + bi form. (2 − 2i)(3 + i)

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Alfpfeu Alfpfeu

21-06-2020

Answer:

[tex]\boxed{8-4i}[/tex]

Step-by-step explanation:

We know that [tex]i^2=-1[/tex]

[tex](2-2i)(3+i) = 6 + 2i -6i -2i^2\\[/tex]

= -4i+6+2

=8-4i

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