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March 27, 2017

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I need some help!

Determine whether infinite geometric series has a finite sum. If so, find the limiting value.

112+56+28+....

  • Algebra - ,

    looks like a GS were r = 1/2
    so , yes, there is a limiting value

    Sum∞ = a/(1-r) = 112/(1/2) = 224

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