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OpenStudy (anonymous):
find the sum: 2-3+9/2-27/4+...-177147/1024
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OpenStudy (anonymous):
-176.245117
OpenStudy (anonymous):
how did you get that im so confused on all the steps
OpenStudy (anonymous):
oh and book tells that the answer is -105469/1024 all i know is that its a geometric sequence
OpenStudy (anonymous):
? i just input it how it was typed
OpenStudy (anonymous):
like you need to find out what terms that is according to geometric formual then hte sum on it im jus stuck
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