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Mathematics 21 Online
OpenStudy (hang254):

Find an explicit rule for the nth term of a geometric sequence where the second and fifth terms are -36 and 2304, respectively.

OpenStudy (anonymous):

Your attempt?

OpenStudy (hang254):

an = 9*(-4)^n-1

OpenStudy (anonymous):

show me your work, please

OpenStudy (anonymous):

However, Although I don't know whether you guess or you calculate it, It's correct!!

OpenStudy (hang254):

really? that was a guess lol

OpenStudy (anonymous):

hihihi, I think so, you picked one of the options and posted. If you want to study, I can walk you through. If you don't, It's ok. :)

OpenStudy (hang254):

thats alright. i reasoned it out thanks

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