Question

1/n + 2/n + ....... + n/n =

• A. n(n+1)/2
• B. n(n²+1)/2
• C. (n+1)/2n
• D. (n+1)/2

Answer 1

Answer:

D. (n+1)/2

1/n + 2/n + ....... + n/n = (1 + 2 + ..... +n)/n =(n(n+1))/2n = (n+1)/2