Shirleylome Shirleylome

21-06-2021
Mathematics

contestada

Add the following complex numbers:
(4-2i) + (12 + 7i)
O A. -8 + 9i
O B. 16 + 9i
O C. 16 + 5i
O D. -8 + 5i

Add the following complex numbers 42i 12 7i O A 8 9i O B 16 9i O C 16 5i O D 8 5i class=

Respuesta :

bhadelsimron19 bhadelsimron19

21-06-2021

Answer:

option c

Step-by-step explanation:

(4 - 2i) + (12 + 7i)

multiply the brackets first

4 - 2i + 12 + 7i

combine like terms

16 + 5i

Answer Link

bibekkunwar989 bibekkunwar989

21-06-2021

Answer:

O C. 16+5i

Step-by-step explanation:

=(4+12) + (7i-2i)

=16+5i

Answer Link

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