deseruss deseruss

04-07-2021
Mathematics

contestada

The first and last term of an A. P are 1 and 121 respectively. Find the number of terms in the A.P and the common difference between them if the sum of the term is 1281

Respuesta :

suzyraaaiii suzyraaaiii

04-07-2021

Answer:

No.of terms=21

Common difference=6

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