Arithmetic sequence is a sequence with the difference that the terms have n + 1 minus the nth term, then there is always constant. And the difference with the shared variance is constant (Common difference)If a1, a2, a3, ..., an, an + 1, ... is a sequence of arithmetic. A2 a1 a3 to a2 = – = – = – 1 + an ... an equal to the constant. This constant is called a "share differences" (Common difference) written with "d" From Chapter 1 an d = definition + – an. Or an + 1 = an + d
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