HP 9g Graphing Calculator User Manual
Page 77
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E-77
(2) A = 3 , D = 2, N = 12
S (N) = S (12) = 168
[
] ( 5 Seconds )
2 [
] 3 [
]
2 [
] 12
[
]
Example 57
Create a program to generate a common ratio sequence ( A : First item,
R : common ratio, N : number )
Sum : S ( N ) = A + AR + AR
2
+ AR
3
....
1) R 1
2) R = 1
A ( N ) = AR
( N – 1 )
Nth item : A ( N ) = A
( N – 1 )
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