1. - Determine whether the sequence is arithmetic, geometric, or neither. 1 1 1 1 2'3'7'5'* 2. e²,e*,e6,e8, 3. 1, 3, 6, 10, ... 4. In 2, In 4, ln 8, ln 16, ... ....

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Determine whether the sequence
1 1 1 1
1.
2'3'4'5'*
arithmetic, geometric, or neither.
2. e?, e4,eº,e³,..
3. 1, 3, 6, 10, ...
4. In 2, In 4, In 8, In 16, ...
Find the sum of each series.
k-1
5. ΣΡ1 125 ()
6. E5(8k – 2)
Zk=5
|
7. 6.4 + 9.4 + 12.4 + ... + 48.4
8. 9 –
+...
125
9. 11 + 33 + 99 + ... + 72,171
25
Find the indicated term of the sequence by finding the explicit formula for the nth term.
10. 13th term of 6, 42, 294, 2058, ...
11. 9th term of 628, 314, 157, ...
12. 50th term of arithmetic sequence given a9 =
-5; a15 = 31
+
Transcribed Image Text:Determine whether the sequence 1 1 1 1 1. 2'3'4'5'* arithmetic, geometric, or neither. 2. e?, e4,eº,e³,.. 3. 1, 3, 6, 10, ... 4. In 2, In 4, In 8, In 16, ... Find the sum of each series. k-1 5. ΣΡ1 125 () 6. E5(8k – 2) Zk=5 | 7. 6.4 + 9.4 + 12.4 + ... + 48.4 8. 9 – +... 125 9. 11 + 33 + 99 + ... + 72,171 25 Find the indicated term of the sequence by finding the explicit formula for the nth term. 10. 13th term of 6, 42, 294, 2058, ... 11. 9th term of 628, 314, 157, ... 12. 50th term of arithmetic sequence given a9 = -5; a15 = 31 +
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