7.1-7.3 Notes - + = Slide 5 Geometric Sequences &...

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Slide 1 Sequences and Series Sections 7.1, 7.2, and 7.3 College Algebra Slide 2 Definition An infinite sequence is a function whose  domain is the set of natural numbers. Slide 3 Series A finite series is an expression of the  form An infinite series is an expression of the  form = = + + + = n i i n n a a a a S 1 2 1 = = + + + + = 1 2 1 i i n n a a a a S
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Slide 4 n th term Sum of the first n terms (n th Partial  Sum) d n a a n ) 1 ( 1 - + = [ ] d n a n a a n S n n ) 1 ( 2 2 ) ( 2 1 1 - + =
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Unformatted text preview: + = Slide 5 Geometric Sequences & Series n th term Sum of the first n terms (n th Partial Sum) 1 1-= n n r a a r r a S n n--= 1 ) 1 ( 1 Slide 6 Sum of an Infinite Geometric Series If -1 < r < 1, r a S-= 1 1 Summary of Formulas d n a a n ) 1 ( 1-+ = [ ] d n a n a a n S n n ) 1 ( 2 2 ) ( 2 1 1-+ = + = 1 1-= n n r a a r r a S n n--= 1 ) 1 ( 1 r a S-= 1 1...
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This note was uploaded on 01/12/2012 for the course MATH 1204 taught by Professor Duck during the Spring '08 term at NorthWest Arkansas Community College.

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7.1-7.3 Notes - + = Slide 5 Geometric Sequences &...

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