Performing Operations with Complex Numbers In Exercises 5-10, perform the operation and write the result in standard form. 5. (6 – 41) + (-9 + i) 6. (7 - 21) – (3 - 8i) 7. - 31(-2 + 51) 8. (4 + i)(3 – 10i) 9. (1 + 7)(1 - 71) 10. (5 - 9)

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Finding the Absolute Value of a Complex
Number
In Exercises 59–62, plot the complex number
and find its absolute value.

Performing Operations with Complex Numbers
In Exercises 5-10, perform the operation and write the
result in standard form.
5. (6 – 41) + (-9 + i)
6. (7 - 21) – (3 - 8i)
7. - 31(-2 + 51)
8. (4 + i)(3 – 10i)
9. (1 + 7)(1 - 71)
10. (5 - 9)
Transcribed Image Text:Performing Operations with Complex Numbers In Exercises 5-10, perform the operation and write the result in standard form. 5. (6 – 41) + (-9 + i) 6. (7 - 21) – (3 - 8i) 7. - 31(-2 + 51) 8. (4 + i)(3 – 10i) 9. (1 + 7)(1 - 71) 10. (5 - 9)
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