For the geometric series , what is the vaule of r?
1 + 4 + 16 + 64 +256
Can somebody please explain to me how this works & how to get the answer?
Thank you!
1 + 4 + 16 + 64 +256
Can somebody please explain to me how this works & how to get the answer?
Thank you!
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Just divide a term by the term preceding it. What's 4/1? What's 16/4? What's 64/16? That's the common ratio, which is r
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r=4
~David
~David