Consider the polynomial function P(x) numbers. a Sketch a possible graph of y b Expand P (x), writing it in the form ax³ + bx? + cx + d. c Hence, or otherwise, prove that (p + q + r)² > 3(pq + qr + rp). (x – p) (x – q) (x – r), where p, q and r are distinct real P(x). (Do not attempt to find the stationary or inflection points.)

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section3.4: Real Zeros Of Polynomials
Problem 1E: If the polynomial function P(x)=anxn+an1xn1+....+a1x+ao< has integer coefficients. then the only...
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Consider the polynomial function P(x)
numbers.
a Sketch a possible graph of y
b Expand P (x), writing it in the form ax³ + bx? + cx + d.
c Hence, or otherwise, prove that (p + q + r)² > 3(pq + qr + rp).
(x – p) (x – q) (x – r), where p, q and r are distinct real
P(x). (Do not attempt to find the stationary or inflection points.)
Transcribed Image Text:Consider the polynomial function P(x) numbers. a Sketch a possible graph of y b Expand P (x), writing it in the form ax³ + bx? + cx + d. c Hence, or otherwise, prove that (p + q + r)² > 3(pq + qr + rp). (x – p) (x – q) (x – r), where p, q and r are distinct real P(x). (Do not attempt to find the stationary or inflection points.)
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