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OpenStudy (anonymous):
Find a formula for the general term of a sequence, given the pattern of the first few terms.
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OpenStudy (anonymous):
OpenStudy (anonymous):
consider the numerator and denominator separately numerator: -1, 2, -3, 4, ... denominator: 4, 9, 16, 25, ...
OpenStudy (anonymous):
hint: 4,9,16,25 are all perfect squares
OpenStudy (anonymous):
n/ (n+1)^2 ? how do i account for the alternating negative sign?
OpenStudy (anonymous):
(-1)^n
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OpenStudy (anonymous):
thx! xD
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