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March 22nd, 2010, 07:37 AM   #1
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sequences

I don't understand how to do this question. Please help. Thank you in advance.

For what value of x will 4x+8, x+2, sx-3 form a geometric sequence?
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March 22nd, 2010, 12:29 PM   #2
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Re: sequences

I have two responses - firstly, what is sx?

Secondly, do you know what it takes for terms to be consecutive elements of a geometric sequence?
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March 22nd, 2010, 02:22 PM   #3
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Read this for an explanation of the term if necessary.
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