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February 26th, 2014, 11:35 AM   #1
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geometric series; find nth term

8x^2 + 4x^3 + 2x^4
Find nth term?
T2T1 = T3T2 = r
I got 1/2x = r; then I stuck!
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February 26th, 2014, 12:32 PM   #2
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Re: geometric series; find nth term

Hello, bongantedd!

Are you familiar with Geometric Series formulas?


Quote:



[color=beige]. . . [/color][color=blue]Correct! ~~ Keep going.[/color]









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February 26th, 2014, 04:38 PM   #3
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If the series were just x^2 + x^3 + x^4, etc., one could just write the answer almost instantly.
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