if a1 =4 and d=-3d write the explicit formula of the arithmetic sequence
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if a1 =4 and d=-3d write the explicit formula of the arithmetic sequence
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answer.
an=a1+(n-1)d
an=a1+(n-1)d=4+(n-1)3
explaination
An arithmetic sequence is a sequence in which the difference between each consecutive term is constant. An arithmetic sequence can be defined by an explicit formula in which an =a1+(n-1)d where d is the common difference between consecutive terms, a1 is 1 term.