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Mathematics
Problem
Consider the sequence,
b
n
b_n
b
n
, defined recursively as follows:
b
1
=
3
b_1 = 3
b
1
=
3
,
b
2
=
2
b_2 = 2
b
2
=
2
, and
b
n
=
b
n
−
1
b
n
−
2
b_n = \frac{b_{n-1}}{b_{n-2}}
b
n
=
b
n
−
2
b
n
−
1
<br> a. Complete the table below:
b
1
b_1
b
1
b
2
b_2
b
2
b
3
b_3
b
3
b
4
b_4
b
4
b
5
b_5
b
5
b
6
b_6
b
6
b
7
b_7
b
7
b
8
b_8
b
8
b
9
b_9
b
9
| 3 | 2 | | | |
3
2
\frac{3}{2}
2
3
| | | |<br> <br> b. Using your work from part (a), evaluate the series below.
∑
n
=
7
73
b
n
\sum_{n=7}^{73} b_n
n
=
7
∑
73
b
n
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