Evaluate [ 1/(1*2) + 1/(2*3) +..........+1/(n(n+1))]
option
A. 1
B. 2
C. 0
D. None
E. 3

• its [1-(1/2) +(1/2)-(1/3) so on upto .... (1/n)-(1/n+1)] and then finally we are left with 2 terms [1-(1/n+1)] which is equal to n/n+1 which gives our answer to option D
• 9 years agoHelpfull: Yes(1) No(0)