Sum of first 55 terms in an A.P. is 3300,find it's 28th term
Answers
Answered by
8
therefore 28th term of A. P is 60
Attachments:
Answered by
6
Answer:-
Step - by - step explanation :-
To find :-
Find 28th term of the given AP.
Given :-
55th term is 3300.
Solution:-
Let first term of this AP is "a"
Common difference is "d"
According to the question-
And also ,
We know that,
On comparing eq (1) and (2)
We get,
Hope it helps you.
Similar questions