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Please give an easy solution for: The sum of the n terms of A.P. is 5n-n 2 . Find the n th term of the A.P.

Please give an easy solution for:
 
The sum of the n terms of A.P. is 5n-n2. Find the nth term of the A.P.

Grade:10

1 Answers

SAI SARDAR
1700 Points
7 years ago
Dear Vishal,the sum of n terms of A.P is 5n-n2 .So the nth term was 5-2(n-1).It is derived from comparing the given equation to the equation of sum of n terms in A.P.
                                         All The Best.

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