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Mathematics 14 Online
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

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.

OpenStudy (anonymous):

thanks

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