Determining The General Term Of A Recursion Expression - Casio ClassPad 300 User Manual

Determining the General Term of a Recursion Expression

The following procedure converts the sequence expressed by a recursion expression to the
general term format
Example: To determine the general term of the recursion expression
u ClassPad Operation
(1) Start up the Sequence Editor.
• If you have another application running, tap m and then H.
• If you have the Sequence application running, tap O and then [Sequence Editor].
(2) Tap (or press) O, [Sequence RUN], [Calc], [rSolve], [
2, ,, [ a
0
(3) Press E.
Tip
• For information about the syntax of the "rSolve" function, see "2-7 Using the Action Menu".
Recursive and Explicit Form of a Sequence
a f n
= ( ).
n
a a ], =, 1, and then ).
, ], [
1 1
6-3-5
n a
,
n
20021201
a a a
= + 2,
n+ n
1 1
a n a a
], =, [ ], +,
], [ , ], [
n+ n n
1
= 1