Show that 25+ 2z² + 3z + 2 has five zeroes inside the circle |z| = 2, and determine the number of zeroes of z4+7z+5 that lie inside the circle |z| = 1.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter4: Polynomials
Section4.2: Adding And Subtracting Polynomials
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Show that 25+ 2z² + 3z + 2 has five zeroes inside the circle |z| = 2, and determine the
number of zeroes of 24+7z+5 that lie inside the circle |z| = 1.
Transcribed Image Text:Show that 25+ 2z² + 3z + 2 has five zeroes inside the circle |z| = 2, and determine the number of zeroes of 24+7z+5 that lie inside the circle |z| = 1.
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