nataliekedwards04 nataliekedwards04

20-10-2021
Mathematics

contestada

What is the sum of 12 - 5iand -3 +4i?
-16+ 63i
9-i
9-9i
15-9i

Respuesta :

Аноним Аноним

20-10-2021

Answer:

9 - i.

Step-by-step explanation:

Add the real and imaginary parts separately:

12 - 5i + -3 + 4i

= 12 + -3 - 5i + 4i

= 9 - i.

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