felibertos1637 felibertos1637

22-02-2019
Mathematics

contestada

Select the correct answer.
Write (9 + 6i) − (1 + 3i) as a complex number in standard form.

A.
10 + 9i

B.
8 − 3i

C.
8 + 3i

D.
7 − 12i

Respuesta :

23-02-2019

Answer:

C. 8 + 3i

Step-by-step explanation:

(9 + 6i) - (1 + 3i) = 9 + 6i - 1 - 3i = (9 - 1) + (6i - 3i) = 8 + 3i

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