Taylor series for even functions and odd functions
Chapter 10, Problem 52E(choose chapter or problem)
Problem 52E
Taylor series for even functions and odd functions (Continuation of Section 10.7, Exercise 55.) Suppose that converges for all x in an open interval ( -R, R) Show that
a. If ƒ is even, then a1 = a3 = a5 = …… = 0, i.e., the Taylor series for ƒ at contains only even powers of x.
b. If ƒ is odd, then a0 = a2 = a4 = …… = 0 i.e., the Taylor series for ƒ at contains only odd powers of x.
Reference: Section 10.7, Exercise 55
Theory and Examples
Uniqueness of convergent power series
a. Show that if two power series )
b. Show that if for all x in an open interval (-c, c) then an =0 for every n.
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