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OpenStudy (anonymous):
Find a rule for the nth term of the arithmetic sequence a7=34; a18=122
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OpenStudy (espex):
"find" a rule? Meaning find the difference and generalize it?
OpenStudy (anonymous):
yeah
OpenStudy (espex):
Well you know that the formula for an arithmetic sequence is \(a_{n}=a_{1}+(n-1)d\), why not start with that?
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