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  • 13-01-2022
  • Mathematics
contestada

Compute (1 + i)(2 + i)(3 + i).

Respuesta :

abbywolfe590 abbywolfe590
  • 13-01-2022

Answer:

10i

Step-by-step explanation:

multiply the parentheses

to get (2+i+2i+i^2) x (3+i)

i^2=-1

(2+i+2i-1) x (3+i)

collect like terms (1+3i) x (3+i)

multiply this out

3+i+9i+3i^2

3+10i+3(-1)

3+10i-3

10i

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