4. Perform the following operations involving complex numbers: a. (2 + 7i) + (3 – 4i) b. (9 + 5i) - (4 + 7i) c. (3+2i) (5 + 6i) 3+ 2i d. 4-5i e. 15 + 2i|

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 23RE
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4. Perform the following operations involving complex numbers:
а. (2 + 7i) + (3 — 41)
ь. (9 + 5і) — (4 + 7)
c. (3+2i) (5 + 6i)
3+ 2i
d.
4- 5i
e. 15 + 2i|
Transcribed Image Text:4. Perform the following operations involving complex numbers: а. (2 + 7i) + (3 — 41) ь. (9 + 5і) — (4 + 7) c. (3+2i) (5 + 6i) 3+ 2i d. 4- 5i e. 15 + 2i|
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