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24 January, 04:43

What is the 20th term in the sequence 1/2, 2, 7/2, 5

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  1. 24 January, 05:03
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    2-0.5=1.5

    3.5-2=1.5

    Therefore difference is 1.5=n

    1.5n-1 is nth term

    When n=20

    =29
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