wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

n1r=0nCrnCr+nCr+1=

A
n(n+1)2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
n+1n1
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
n+12
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
n2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B n+1n1
n=1r=0nCrnCr+ nCr+1=n1r=0nCrn+1
n!(nr)!r!n1r=0(r+1)(n+1)
(n+1)!(nr)!(r+1)!
=n+1n1


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Mathematical Induction
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon