Chapter 9 / intro to series Flashcards

1
Q

Finite Geometric Series Formula

A

Sn = [a(1-x^n)/(1-x)]

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2
Q

general form of a power series

A

Sum of Cn(x-a)^n

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3
Q

Why do you apply the ratio test when dealing with power series?

A

In order to find the radius of convergence. Ratio test gives us L, whose absolute value must be less than 1.

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4
Q

Binomial Series: what is the fourth term?

A

(p(p-1)(p-2)/3!)x^3

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