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23 November, 23:42

A sequence is defined by un=3n-2. find u27

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  1. 24 November, 00:18
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    I think the definition of your sequence is u (n) = 3n - 2.

    That little set of parentheses makes it SO much

    easier to read and understand.

    To find u (any number) just write the number in place of 'n'.

    u (27) = 3 (27) - 2

    = 81 - 2

    = 79.
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