mirandarm42705 mirandarm42705
  • 17-02-2022
  • Mathematics
contestada

Add the following complex numbers:
(2 - 8i)+ (5 - i)
O A. -3-91
B. 7-9;
O C. -3-71
D. 7 - 71

Add the following complex numbers 2 8i 5 i O A 391 B 79 O C 371 D 7 71 class=

Respuesta :

Аноним Аноним
  • 17-02-2022

Answer:

B. 7 - 9i

Step-by-step explanation:

1) Remove Parentheses.

2 - 8i + 5 - i

2) Add 2 and 5.

7 - 8i - i

3) Subtract i from -8i.

7 - 9i

Answer Link
TheUnknownScientist
TheUnknownScientist TheUnknownScientist
  • 17-02-2022

Answer:

Option B

The answer is 7 – 9i

Step-by-step explanation:

(2 – 8i) + (5 – i)

2 – 8i + 5 – i

7 – 9i

Thus, The answer is 7 – 9i

-TheUnknownScientist 72

Answer Link

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