sulpcegu5e ppt 12_1
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TRANSCRIPT
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Section 12.1
Sequences
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OBJECTIVE 1
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2
2 1n
na
n
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1 2n
nb n
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2 if is even
if is oddn
n nc
n n
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1 1 1 1(a) , , , ,
2 4 8 16
(b) 5, 7, 9, 11,
(c) 1, 1, 1, 1,
(d) 3, 6, 11, 18, 27,
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OBJECTIVE 2
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Write down the first five terms of the following recursively defined sequence.
1 15, 2n nS S S
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Write down the first five terms of the following recursively defined sequence.
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OBJECTIVE 3
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2
1 0
Write out each sum.
(a) (b) 11
n n
k k
kk
k
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2 2 2 2 21 1 1 1 1
(a) 1 2 3 4 5
(b) 1 3 5 2 1n
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OBJECTIVE 4
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10 42
1 1
20 122 3
1 k=5
Find the sum of each sequence.
(a) (b) 5 1
(c) 5 2 (d) 3
k k
k
k k k
k k k
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OBJECTIVE 5
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