Home
Class 12
MATHS
The sum sum(r=0)^n (r+1) (Cr)^2 is equal...

The sum `sum_(r=0)^n (r+1) (C_r)^2` is equal to :

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • BIONOMIAL THEOREM

    ARIHANT MATHS|Exercise Exercise (Single Option Correct Type Questions)|30 Videos

  • BIONOMIAL THEOREM

    ARIHANT MATHS|Exercise Exercise (More Than One Correct Option Type Questions)|15 Videos

  • BIONOMIAL THEOREM

    ARIHANT MATHS|Exercise Exercise For Session 3|10 Videos

  • AREA OF BOUNDED REGIONS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|23 Videos

  • CIRCLE

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|16 Videos

Similar Questions

Explore conceptually related problems

sum_(r=0)^(n)(""^(n)C_(r))/(r+2) is equal to :

sum_(r=0)^(n)r(r+1)(r+2)(r+3) is equal to

sum_(r=0)^(m)*^(n+r)C_(n) is equal to

sum_(r=1)^(n)(C(n,r))/(r+2) is equal to

sum_(r=1)^n r (n-r +1) is equal to :