Value of 1+1/(1+2)+1/(1+2+3)+....+1/(1+2...

Value of `1+1/(1+2)+1/(1+2+3)+....+1/(1+2+3+....+n)` is equal to

A

`(2n) /(n+1)`

B

`(3n)/(2n+1)`

C

`(4n)/(3n+1)`

D

`n/(n+1)`

Verified by Experts

The correct Answer is:

A

Similar Questions

Explore conceptually related problems

1+1.1!+2.2!+3.3!+......n.n! is equal to

The value of (1 - 1/2) (1 - 1/3) (1 - 1/4)(1 - 1/5) ………(1 - 1/n) is :

Value of (1+1/3)(1+1/(3^2))(1+1/(3^4))(1+1/(3^8))........oo is equal to a.3 b. 6/5 c. 3/2 d. none of these

The value of (6^(n+3) - 32.6^(n+1))/(6^(n+2) - 2.6^(n+1)) is equal to

If 1+(1+2)/(2)+(1+2+3)/(3)+.... to n terms is S.Then,s is equal to

The value of lim_(n rarr oo)(1^(2)*n+2^(2)*(n-1)+......+n^(2)*1)/(1^(3)+2^(3)+......+n^(3)) is equal to

The sum of the series 1+(1)/(2) ""^(n) C_1 + (1)/(3) ""^(n) C_(2) + ….+ (1)/(n+1) ""^(n) C_(n) is equal to

lim_(nto oo) {(1)/(n+1)+(1)/(n+2)+(1)/(n+3)+...+(1)/(n+n)} is, equal to