OShow that every cubic equation of the form x³ + bx2 + c = 0 where b and c are real numbers has at least one root.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter7: Real And Complex Numbers
Section7.2: Complex Numbers And Quaternions
Problem 45E
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) Show that every cubic equation of the form x³ + bx² + c = 0
where b and c are real numbers has at least one root.
Transcribed Image Text:) Show that every cubic equation of the form x³ + bx² + c = 0 where b and c are real numbers has at least one root.
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