Taylor polynomials for e^x. Find the Taylor polynomials of order n=0,1,2, and 3 for f(x)=e^x centered at 0.

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Answered question

2021-09-09

Taylor polynomials for ex
a. Find the Taylor polynomials of order n=0,1,2, and 3 for f(x)=ex centered at 0.

Answer & Explanation

Bentley Leach

Bentley Leach

Skilled2021-09-10Added 109 answers

Here the objective is to find Taylor’s polynomials of ex around a=0
Taylor’s polynomials of f(x) around x=a is
Pn(x)=f(a)+f(a)1!(xa)+f(a)2!(xa)2+f(a)3!(xa)3++fn(a)n!(xa)n
Here f(x)=ex, and a=0
f(x)=exf(0)=1
f(x)=exf(0)=1
f(x)=exf(0)=1
f(x)=exf(0)=1
Taylor's polynomial of order zero is
n=0
P0(x)=f(a)
P0(x)=f(0)
P0(x)=1
Taylor's polynomial of order 1 is
n=1
P1(x)=f(a)+f(a)1(xa)
P1(x)=f(0)+f(0)1!(x0)
P1(x)=1+x
Taylor’s polynomial of order 2 is
n=2
P2(x)=f(a)+f(a)1!(xa)+f(a)2!(xa)2
P2(x)=f(0)+f(0)1!(x0)+f(0)2!(x0)2

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