Grade 11Algebra
Question.... find the value of n-1∑r=0 nCr/nCr+nCr+1=
Question....
find the value of
n-1∑r=0 nCr/nCr+nCr+1=
1 Answer
Harshit Singh
Dear Student
nCr+nCr+1 = n+1Cr+1
n+1Cr+1 /nCr = n+1 / r+1
so , Our answer = r+1/n+1
Thanks
nCr+nCr+1 = n+1Cr+1
n+1Cr+1 /nCr = n+1 / r+1
so , Our answer = r+1/n+1
Thanks
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