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Class 10 · Mathematics (Basic) · Unit 5: Arithmetic Progressions

Definition and Notation

Lesson 1 of 6
An Arithmetic Progression (AP) is a sequence where each term after the first is obtained by adding a fixed number dd (the common difference) to the previous term. Standard form: a,a+d,a+2d,a+3d,…a, a+d, a+2d, a+3d, \ldots. The first term is aa.
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