若f(x)=2nx(1-x)n,记,则=______。
参考答案:
解析:[详解] 令f’(x)=2n(1-x)n-2n2x(1-x)n-1=0,得由f(0)=f(1)=0,得
法律、法规授权具有( )职能组织,在法定授权范围内以自己名义实施行政许可。
A.行政管理
B.行政收费
C.行政审批
D.管理公共事务
The police suspected him of carrying drugs, so they _________ his bag, but found nothing.[ ]
A. looked up
B. searched for
C. went through
D. turned in