Consider the polynomial P(x) = 4x² + 5x³ − 2x² + 5x – 6. 5 (c) Show that if z is a complex number for which |z| > 2 P(x). then z can not be a zero of

Advanced Engineering Mathematics
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ISBN:9780470458365
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Chapter2: Second-order Linear Odes
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Consider the polynomial P(x)=4x4+5x3−2x2+5x−6P(x)=4x4+5x3−2x2+5x−6.

(c) Show that if zz is a complex number for which |z|>52|z|>52 then zz can not be a zero of P(x)P(x).

Consider the polynomial P(x) = 4x4 + 5x³ − 2x² + 5x − 6.
5
2
(c) Show that if z is a complex number for which |z|> then z can not be a zero of
P(x).
Transcribed Image Text:Consider the polynomial P(x) = 4x4 + 5x³ − 2x² + 5x − 6. 5 2 (c) Show that if z is a complex number for which |z|> then z can not be a zero of P(x).
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