Under the same hypotheses as exercise 11, show that the Taylor expansion of f.g at 2o is obtained by taking Tn(f, xo, x)T,(g, xo, r) and retaining only the powers of (x – xo) up ton.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section6.2: Graphs Of Exponential Functions
Problem 52SE: Prove the conjecture made in the previous exercise.
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Could we answer #12?

11. Suppose f and g are C" functions with Taylor expansions denoted
Ta(f, xo, x) and Tn(g, xo, x). Prove that T,(f, xo, x)+ T,(9, x0, x)
is the Taylor expansion of f +g at to.
12. Under the same hypotheses as exercise 11, show that the Taylor
expansion of f.g at 1o is obtained by taking T,(f, ¤o, x)T, (9, xo, x)
and retaining only the powers of (x – ro) up to n.
Transcribed Image Text:11. Suppose f and g are C" functions with Taylor expansions denoted Ta(f, xo, x) and Tn(g, xo, x). Prove that T,(f, xo, x)+ T,(9, x0, x) is the Taylor expansion of f +g at to. 12. Under the same hypotheses as exercise 11, show that the Taylor expansion of f.g at 1o is obtained by taking T,(f, ¤o, x)T, (9, xo, x) and retaining only the powers of (x – ro) up to n.
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