javonta1052203 javonta1052203
  • 16-08-2022
  • Mathematics
contestada

Which expression is equivalent to (2 + 6i)(5 + 2i)?
Group of answer choices

-2 + 26i

22 + 34i

-2 + 34i

-2 - 34i

Respuesta :

cygnusabc00
cygnusabc00 cygnusabc00
  • 16-08-2022

Answer

= -2+34i

Step-by-step explanation:

Greetings !

steps given expression

[tex](2 + 6i)(5 + 2i)[/tex]

Apply complex Arthimatic rule: (a+bi)

(c+di) = (ac-bd) +(ad+bc)i

[tex](2.5 - 6.2) + (2.2 + 6.5)i[/tex]

simplify

[tex](10 - 12) + (4 + 30)i \\ - 2 + 34i[/tex]

Hope it helps!

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