2n!n!=(n+1)(n-1)!(2n-1)!
help please
navlesh92:
dont call me bro i am a girl
what navlesh is girl. Ok miss understanding ho gayi
not navlesh i am tanya
and he is my father
X-(
ook sorry
no problem
its ok:0
thanks
Answers
Answered by
1
Answer:
Step-by-step explanation:
2n!n!=(n+1)(n-1)!(2n-1)!
2nn!=(n+1)(n-1)! ...... 2n!/(2n-1)!=2n
2nn(n-1)!=(n+1)(n-1)!
=>2n^2=(n+1)
=> n=1
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