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Sequences HELP!
Show that the sequence Cn = [(-1)^n * 1/n!]
This is an example in my book but I am not understanding it...
It says to find 2 convergent sequences that can be related to the given sequence. 2 possibilities are An = -1/2^n and Bn = 1/2^n
.....
where are they getting this from??
Homework Statement
Show that the sequence Cn = [(-1)^n * 1/n!]
Homework Equations
The Attempt at a Solution
This is an example in my book but I am not understanding it...
It says to find 2 convergent sequences that can be related to the given sequence. 2 possibilities are An = -1/2^n and Bn = 1/2^n
.....
where are they getting this from??