laidsweg
laidsweg laidsweg
  • 03-05-2020
  • Mathematics
contestada

A) -2 + i
B) -2 - i
C) 2 + i
D) 2 - i

A 2 i B 2 i C 2 i D 2 i class=

Respuesta :

DeanR
DeanR DeanR
  • 03-05-2020

f(i) = i³ - 2i² = i(i²) - 2i² = -i + 2 = 2 - i

Answer: 2-i, last choice

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