jtobin2003
jtobin2003 jtobin2003
  • 26-02-2019
  • Mathematics
contestada

Simplify (8 + 7i) + (2 – i)
A) 10 + 6i
B) 16
C) 4
D) 10 + 8i

Respuesta :

mattksingh
mattksingh mattksingh
  • 26-02-2019

10 + 6 i

...................

Answer Link
carlosego
carlosego carlosego
  • 26-02-2019

For this case, we must add similar terms taking into account that:

Equal signs are added and the same sign is placed.

Different signs are subtracted and the major sign is placed

So:

[tex](8 + 7i) + (2 - i) =\\8 + 7i + 2-i =\\8 + 2 + 7i-i=\\10 + 6i[/tex]

Answer:

[tex]10 + 6i[/tex]

Option A

Answer Link

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