select the correct answer. write (9 + 6i) - (1 + 3i) as a complex number in standard form. a. 10 + 9i b. 8…
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
Answer
Explanation:
Step1: Distribute the negative sign
$(9 + 6i)-(1 + 3i)=9 + 6i-1-3i$
Step2: Combine like - terms
$(9 - 1)+(6i-3i)=8 + 3i$
Answer:
C. $8 + 3i$