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perezrhonda30
18.04.2020 •
Mathematics
Is the sequence arithmetic? If so, identify the common difference. 12. 14, 20, 26, 32, ...
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Ответ:
a(n)=a+d(n-1), a=initial term, d=common difference, n=term number
In this case we know a=11 and d=4 so
a(n)=11+4(n-1) which can be simplified...
a(n)=11+4n-4
a(n)=4n+7