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OpenStudy (anonymous):
Is my answer right? What is the formula for finding a specified term (an) of a geometric sequence? sn = a1 - a n r/ 1 - r?
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hartnn (hartnn):
whats that ?
hartnn (hartnn):
\(\huge S_n=a_1 \dfrac{1-r^n}{1-r} \)
OpenStudy (anonymous):
|dw:1365108378932:dw|
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