9. (Solutions must be of the form a + bi.) Without the use of a calculator, solve for x4 + 81 = 0.
9. (Solutions must be of the form a + bi.) Without the use of a calculator, solve for x4 + 81 = 0.
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
ChapterA: Appendix
SectionA.7: Quadratic Functions And Complex Numbers
Problem 5P
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Transcribed Image Text:9. (Solutions must be of the form a + bi.) Without the use of a calculator, solve for x4 + 81 = 0.
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