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DerKrebs [107]
2 years ago
12

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 bet

ween them if the sum of the term is 1281​
Mathematics
1 answer:
LuckyWell [14K]2 years ago
6 0

Answer:

No.of terms=21

Common difference=6

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