Home > CALC > Chapter 12 > Lesson 12.2.1 > Problem 12-66
12-66.
Find the fourth-degree Maclaurin polynomial for f(x) = e−2x . Use it to approximate 
The Maclaurin series for ex is:
Substitute –2x for x to get the polynomial for e–2x.
To bound the error, determine the x5 term in the polynomial and evaluate it for x = 0.5.