Thread: geometric Sequence
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Old October 20th, 2008, 08:20 AM
batman batman is offline
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You have the sequence 400, 320, 256, 204.8. Now you see that the next one is the previous one times 0.8 as 320=400*0.8, 256=320*0.8 and 204.8=256*0.8. More generally you have x_n = 0.8*x_(n-1) with x_1=400.
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