13. Find the complex number. real imaginary com 4 -7i O 4+7i 11i 4 - 7i 3i -28i 14. Multiply the complex numbers. (2 + 9i)(2 – 9i) 4 - 814 O 1+i 85 O1-i 85i

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
Question

Find And Multiply The Complex Number  ThankYou

13. Find the complex number.
real
imaginary complex
4
-7i
O 4+7i
11i
4 - 7i
3i
-28i
14. Multiply the complex numbers.
(2 + 9i)(2 – 9i)
4 - 811
O 1+i
85
O1-i
85i
Transcribed Image Text:13. Find the complex number. real imaginary complex 4 -7i O 4+7i 11i 4 - 7i 3i -28i 14. Multiply the complex numbers. (2 + 9i)(2 – 9i) 4 - 811 O 1+i 85 O1-i 85i
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