7. In an arithmetic progression if an = 3n - 2. find the sum of first 2 terms?
Answers
Answered by
2
Answer:
Answer
Correct option is
A
1,4,7,10....
3n - 2
Substitute n = 1, 2, 3, 4, ...
The A.P. is 1, 4, 7, 10....
The sum of the first two terms is a+(a+d)=2a+d.
Answered by
12
Answer:
3n - 2
Substitute n = 1, 2, 3, 4, ...
The A.P. is 1, 4, 7, 10....
The sum of the first two teams is a+(a+d)=2a+d
Similar questions