vanbruntgrace07
vanbruntgrace07 vanbruntgrace07
  • 01-10-2020
  • Mathematics
contestada

What is the multiplicative identity of the complex number -4 + 8i?

A. 0
B. 1
C. - 4 + 8i
D. 4-8i

Respuesta :

ortizb1994 ortizb1994
  • 01-10-2020

Answer:

1

Step-by-step explanation:

Answer Link
jjjcmsjenn
jjjcmsjenn jjjcmsjenn
  • 02-11-2020

Answer:

B

Step-by-step explanation:

its 1

for those of you that don't understand, when you multiply a complex number by its multipicatuive identity, in this case -4+8i, you would multiply both the top and the bottom by -4-8i which is actually the value one since we cannot actually change the whole value of the number. By multiplying it by "1" we get the same value just without the imaginary number .  

Answer Link

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