A:2
B:3
C:2
D:5
— Would you please show me the way ________ the bank?
— Yes, go straight ahead. It's opposite a school.
已知函数fx=xn+an-1xn-1+an-2xn-2+⋯+a1x+a0(n>2且n∈N﹡)设x0是函数f(x)的零点的最大值,则下述论断一定错误的是( )