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5 June, 17:43

Tell whether in the sequence is arithmetic if it is what is the common difference 20,11,2,-7

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  1. 5 June, 18:09
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    The sequence 20, 11, 2, - 7 is an arithmetic sequence.

    The common difference is (20 - 11) = (11 - 2) = (2 - - 7) = 9

    The common difference is 9.
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