1 4 Find the explicit formula for sequences of the form a1, a2, a3.. with the initial terms =,- 9 16 , ...? 3'9'27'81

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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1 4 9 16
14. Find the explicit formula for sequences of the form a1, az, a3... with the initial terms 7'81
...?
2 3
+
4-5
4
5
6
15. Show
3.4
;using summation notation.
7.8
- -
-
5.6
6-7
16. Show n + (n – 1) + (n – 2) + .…·+ 1 using summation notation.
|
Transcribed Image Text:1 4 9 16 14. Find the explicit formula for sequences of the form a1, az, a3... with the initial terms 7'81 ...? 2 3 + 4-5 4 5 6 15. Show 3.4 ;using summation notation. 7.8 - - - 5.6 6-7 16. Show n + (n – 1) + (n – 2) + .…·+ 1 using summation notation. |
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