Question

Find the (n-1) * term of the A.P. 1/n,2/n,3/n....
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Answer 1

ans:

(n-1)th term of this ap is

a + (n-1)d  {a = 1/n , n = n-1 , d = 1/n)

putting this value , we will get

1/n + {(n-1)-1)}1/n

1/n + (n-2) * 1/n

1/n + (n-2)/n

(n-1)/n

Therefore the (n-1)th term of this A.P is (n-1)/n