An arithmetic sequence is one in which a term is obtained by adding a constant to a previous term of a sequence. So the n th term can be described by the formula an=an−1+d a n = a n − 1 + d . A geometric sequence is one in which a term of a sequence is obtained by multiplying the previous term by a constant.
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ARITHMETIC SEQUENCE
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An arithmetic sequence is one in which a term is obtained by adding a constant to a previous term of a sequence. So the n th term can be described by the formula an=an−1+d a n = a n − 1 + d . A geometric sequence is one in which a term of a sequence is obtained by multiplying the previous term by a constant.