If p is a polynomial, show that lim p(x) = p(a). x-a Since p(x) is a polynomial, p(x) = , + a, + a". Thus, by the limit laws, lim p(x) lim ... lim a2 lim (x) lim (x") " = p(a). .... %3D Thus, for any polynomial p, lim p(x) = p(a). X-a

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 1E
icon
Related questions
icon
Concept explainers
Topic Video
Question

I've read the textbook + looked at the "need help?" section but I can't figure this problem out. How do you work it out?

If p is a polynomial, show that lim p(x) = p(a).
x-a
Since p(x) is a polynomial, p(x) = a, + a,
+ax". Thus, by the limit laws,
]).*)
lim p(x) = lim
2,x +.. +
do +a,
X-a
= a, + a, lim
a, lim (x) + + a, lim (x")
= ao + a,
+ aza
+ a,a" = p(a).
Thus, for any polynomial p, lim p(x) = p(a).
Need Help?
Read It
hi, how do you solve this problem?
Transcribed Image Text:If p is a polynomial, show that lim p(x) = p(a). x-a Since p(x) is a polynomial, p(x) = a, + a, +ax". Thus, by the limit laws, ]).*) lim p(x) = lim 2,x +.. + do +a, X-a = a, + a, lim a, lim (x) + + a, lim (x") = ao + a, + aza + a,a" = p(a). Thus, for any polynomial p, lim p(x) = p(a). Need Help? Read It hi, how do you solve this problem?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps

Blurred answer
Knowledge Booster
Application of Algebra
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, calculus and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage