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Two arithmetic progression have thd same first and last terms.the first arithmetic progression has 21 terms with a common difference of 9.How many terms has the other arithmetic progression if its common difference is 4?working and answer.thans

  • arithmetic -

    46

  • arithmetic -

    46

  • arithmetic -

    Two arithmetic progression have thd same first
    and last terms.the first arithmetic progression has
    21 terms with a common difference of 9.How
    many terms has the other arithmetic progression
    if its common difference is 4?working and
    answer.thans

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