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Basic Rules and Notation Examples

Example 1

Given the explicit rule: {an} = 2n – 5, find a10.

Example 2

Find the explicit rule for the sequence: 2, 4, 6, 8, …

Example 3

Find a5 for the sequence: 1, 5, 9, …

Example 4

Find a20 for the sequence 2, 4, 8, …

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