CMS Curriculum Guides 2011-2012 AP Calculus Unit Title: Polynomial Approximations and Series Suggested Time: 3 Weeks Enduring understanding (Big Idea): Geometric series, convergence of series, tests for convergence of series, endpoint convergence, representing functions by series, identifying a series, constructing a series, series for sin x and cos x, Maclaurin and Taylor series, combining Taylor series, Taylor polynomials, remainder estimation theorem. Essential Questions: what is a sequence? What is an infinite series? Properties of geometric series and finding the sum to infinity. How to test the convergence of series. What is a power series? How can we represent functions in power series? What is Taylor series? What is Taylor polynomial? How do we determine the convergence of Taylor series? AP Topic Textbook Correlation Related AP Questions Resources Concept of series. A series is defined as a sequence of partial sums, and convergence is defined in terms of the limit of the sequence of partial sums. Technology can be used to explore convergence and divergence. Series of constants Motivating examples, including decimal expansion. Geometric series with applications. The harmonic series. Alternating series with error bound. Terms of series as areas of rectangles and their relationship to improper integrals, including the integral test and its use in testing the convergence of p-series. 8.1 Sequences 1971 BC 4, 1972 BC 4 Exercises from sections 8.1 9.4 Radius of convergence 1994 BC 5, 1992 BC 6, 1991 BC 5, 2002 BC 6, 2006 BC 6 Video lessons 9.5 Testing convergence at end points Worksheet on convergence of series CMS Curriculum Guides 2011-2012 AP Calculus The ratio test for convergence and divergence. Comparing series to test for convergence or divergence. Taylor series Taylor polynomial approximation with graphical demonstration of convergence (for example, viewing graphs of various Taylor polynomials of the sine function Approximating the sine curve). Maclaurin series and the general Taylor series centered at x = a. Maclaurin series for the functions ex , sin x, cos x, and 1 1 x . Formal manipulation of Taylor series and shortcuts to computing Taylor series, including substitution, differentiation, antidifferentiation and the formation of new series from known series. Functions defined by power series. Radius and interval of convergence of power series. Lagrange error bound for Taylor polynomials. 9.1 Power series 9.2 Taylor series 9.3 Taylor’s theorem 9.5 Testing convergence at end points 1997 BC 2, 1996 BC 2, 1995 BC 4, 1993 BC 5, 1990 BC 5, 2002 BC 6, 200 BC 3, 1999 BC 4, 1998 BC 3, 2008 BC 3, 2007 BC 6, 2005 BC 6, 2004 BC 6 Video lessons Taylor Maclaurin series millionaire Review sheet on series Exercises from textbook sections 9.1, 9.2, 9.3 and 9.5 Prior Knowledge: Working with factorial notation, finding the nth term of sequences and series, working with sigma notation, integrals and derivatives. CMS Curriculum Guides 2011-2012 AP Calculus Essential Terms Developed in This Unit Useful Terms Referenced in This Unit Convergence of series Absolute convergence Harmonic series Telescoping series Taylor polynomial Term by term integration Interval of convergence Resources Additional Practice/Skills Worksheets CMP2 Website –online & technology resources Formal Assessment Check-Ups Partner Quiz Unit Test Assessment Options Multiple-Choice Question Bank ExamView CD-ROM Geometric series Terms Developed in Previous Unit Integration Derivative