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  1. AP Calculus
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Infinite Sequences and Series (BC Only)

Question 1
college-boardCalculus AB/BCAPExam Style
1 mark

To find the radius of convergence for a power series, what must you first calculate from the general term ana_nan​?

Question 2
college-boardCalculus AB/BCAPExam Style
1 mark

What condition must be met for the series expansion method to be used for finding antiderivatives?

Question 3
college-boardCalculus AB/BCAPExam Style
1 mark

Consider the power series ∑n=1∞(−1)n+1(x+2)nn2n\sum_{n=1}^{\infty} \frac{(-1)^{n+1}(x+2)^n}{n2^n}∑n=1∞​n2n(−1)n+1(x+2)n​; what is its radius of convergence?

Question 4
college-boardCalculus AB/BCAPExam Style
1 mark

For a given power series ∑n=0∞an(x−c)n\sum_{n=0}^{\infty} a_n(x-c)^n∑n=0∞​an​(x−c)n, which mathematical operation on (c)(c)(c) would affect its interval of convergence without changing its radius?

Question 5
college-boardCalculus AB/BCAPExam Style
1 mark

If the power series ∑n=0∞(2x+3)n5n\sum_{n=0}^{\infty} \frac{(2x+3)^n}{5^n}∑n=0∞​5n(2x+3)n​ has a radius of convergence RRR, what is the interval of convergence for this series?

Question 6
college-boardCalculus AB/BCAPExam Style
1 mark

What is the interval of convergence of the power series represented by the function f(x)=∑n=0∞(2x)nn2f(x) = \sum_{n=0}^{\infty} \frac{(2x)^n}{n^2}f(x)=∑n=0∞​n2(2x)n​?

Question 7
college-boardCalculus AB/BCAPExam Style
1 mark

What is the interval of convergence of the power series represented by the function f(x)=∑n=1∞(x−2)nn3f(x) = \sum_{n=1}^{\infty} \frac{(x-2)^n}{n^3}f(x)=∑n=1∞​n3(x−2)n​?

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Question 8
college-boardCalculus AB/BCAPExam Style
1 mark

If the power series ∑n=0∞(3x)nn!\sum_{n=0}^{\infty} \frac{(3x)^n}{n!}∑n=0∞​n!(3x)n​ has a radius of convergence RRR, what is the interval of convergence for this series?

Question 9
college-boardCalculus AB/BCAPExam Style
1 mark

How does replacing every instance of xxx with −x-x−x in a power series affect its radius and interval of convergence?

Question 10
college-boardCalculus AB/BCAPExam Style
1 mark

Which term describes a series that does not converge only conditionally on any point in its interval of convergence?