Answer
1
Work Step by Step
(9-i) - (8-i)
Distribute and simplify
= (9-8)+(-1+1)i = 1 + 0i = 1
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.