nC2= nC5 then n=?
Answers!
Hello
If
nCr = nCm
Then
r = m
& r = n - m
So,
nC2 = nC5
Therefore,
2 = n - 5
2 + 5 = n
7 = n
n = 9
Comment
5/2
Answer the question...
Hello
If
nCr = nCm
Then
r = m
& r = n - m
So,
nC2 = nC5
Therefore,
2 = n - 5
2 + 5 = n
7 = n
n = 9
Comment
5/2