# arithmetic

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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

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