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20.10.2019 •
Mathematics
Select the correct answer.
write (3 + 4i) + (8 + 2i) as a complex number in standard form.
a.
5 + 12i
b.
7 + 10i
c.
11 + 6i
d.
11 − 6i
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Ответ:
C. 11 + 6i
Step-by-step explanation:
(3 + 4i) + (8 + 2i)
Add the real parts
3+8 = 11
Add the imaginary parts
4i+2i = 6i
The complex number is
11 +6i
Ответ:
C
Step-by-step explanation:
given (3 + 4i) + (8 +2i)
Collect real parts and imaginary parts as like terms
= 3 + 4i + 8 + 2i
= (3 + 8) + (4i + 2i) = 11 + 6i → C
Ответ: