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OpenStudy (anonymous):
Find the sum of the infinite geometric sequence. 1 -1/5 + 1/25 - 1/125 . . .
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OpenStudy (anonymous):
|dw:1336531801250:dw|
OpenStudy (anonymous):
here first term = 1 common ratio = -1/5 no. of terms is infinite
OpenStudy (anonymous):
the general formula for sum of Geometric Series till infinity is a/(1-r) plug in the values
OpenStudy (anonymous):
wouldn't it be 1/1-1/5 = 1/ 2/5
OpenStudy (anonymous):
no
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