Arithemetic Sequences
- Certain number patterns can be written in general form by using expressions.
- The successor and predecessor of a natural number n is denoted by (n + 1) and (n – 1) respectively.
- Any even number is denoted by 2n and any odd number is denoted by 2n + 1, where n is as whole number.
For example, 9, 19, 29, ….
Here, 9 = 10 – 1, 19 = 10 × 2 – 1, 29 = 10 × 3 – 1; therefore, this pattern can be written in general form as (10n – 1), where n is the ordinal number of terms.
- The Concept of Arithmetic Progression …
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