Write the expression as sigma notation

Arithmetic and Geometric progressions.

Write the expression as sigma notation

Postby Guest » Tue Jan 12, 2021 3:34 am

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I'm stuck, please help. I found a pattern for the numerator but I can't seem to find a pattern for the denominator. Is there something I'm missing out?
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Re: Write the expression as sigma notation

Postby HallsofIvy » Fri Jan 15, 2021 5:43 pm

What pattern did you find for the numerator? That doesn't seem at all simple, especially without knowing what index that "-23/80" corresponds to.

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