if C(n,8)=C(n,6) find C(n,2)
Answers
Answered by
2
I hope you like my answer.........
Attachments:
Answered by
1
Answer:
We have,
C(2n,3):C(n,2)=12:1
⇒
n
C
2
2n
C
3
=
1
12
⇒
2n
C
3
=12⋅
n
C
2
⇒
3!
2n(2n−1)(2n−2)
=12⋅
2!
n(n−1)
⇒
6
4(2n−1)
=
2
12
⇒2n−1=9
⇒n=5
Step-by-step explanation:
here is your ans
please please please
follow me
Similar questions