Saturday, August 17, 2013

What is the 8th term of sequence for the following: 200,-50,12.5,-3.125

r=-1%2F4
a%5B1%5D=200 
a%5Bn%5D=a%5B1%5Dr%5E%28n-1%29 

a%5B8%5D=200%2A%28-1%2F4%29%5E%288-1%29=-25%2F2048
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