An arithmetic progression is a sequence with constant successive difference . It is nonconstant when .
The common difference of an arithmetic progression is the fixed difference between consecutive terms.
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An arithmetic progression (AP) is a sequence of numbers in which the difference between consecutive terms is constant. This constant difference is referred to as the "common difference." The general form of an arithmetic progression can be expressed as: - The first term is \( a \). - The common difference is \( d \).