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The first term of an A.P is 3 and the fifth term is 9.Find the number of terms in the progression if the sum of the progression is 81.​

The first term of an A.P is 3 and the fifth term is 9.Find the number of terms in the progression if the sum of the progression is 81.​
asked 96.2k views
5 votes
The first term of an A.P is 3 and the fifth term is 9.Find the number of terms in the progression if the sum of the progression is 81.​

asked
User VoidKing
by
8.5k points

1 Answer

7 votes

Answer:

its A becauss i tryed b and th en i tried A so its a

answered
User Questieme
by
8.0k points
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