问题
填空题
已知M=
|
答案
令21998=n,则21999=2?21998=2n,22000=4n,
∴M÷N=
÷n+1 2n+1
=2n+1 4n+1
=(n+1)(4n+1) (2n+1)2
=1+4n2+5n+1 4n2+4n+1
>1.n 4n2+4n+1
∴M>N.
故答案为:M>N.
已知M=
|
令21998=n,则21999=2?21998=2n,22000=4n,
∴M÷N=
÷n+1 2n+1
=2n+1 4n+1
=(n+1)(4n+1) (2n+1)2
=1+4n2+5n+1 4n2+4n+1
>1.n 4n2+4n+1
∴M>N.
故答案为:M>N.