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OpenStudy (anonymous):
If the second term of a geometric progression is -4/3 and the third term is 8/3, find a sub 1 and r
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OpenStudy (anonymous):
-2?
OpenStudy (anonymous):
how did you get that answer?? I cant seem to set up the equation...
OpenStudy (m):
a = 2/3 r = -2
OpenStudy (m):
a + ar + ar^2 + ... + ar^n
OpenStudy (m):
those will give you 2nd and 3rd term.
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OpenStudy (anonymous):
thanks
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