9.5 Infinite geometric series.notebook
January 31, 2017
Jan 31­7:58 AM
9.5 Infinite Geometric Series
Infinite geometric series either ___________ or _____________
Jan 27­2:11 PM
1
9.5 Infinite geometric series.notebook
January 31, 2017
Converge:
Example 32+16+8+4+....
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Diverge:
Example: 20+24+28.8+34.56+...
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2
9.5 Infinite geometric series.notebook
January 31, 2017
Series that diverge CANNOT BE SUMMED
This means that no math is required
Series that converge CAN BE SUMMED
All this requires is a formula
a1
S=
1­r
Jan 27­2:14 PM
Find the sum of the infinite geometric series
5+4+3.2+2.56+....
∞
Ʃ
k=1
2
3k­1
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3
9.5 Infinite geometric series.notebook
January 31, 2017
Homework Pg 668 15­20 28­38
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4