题目内容
设f(x)=x(x-1)(x-2)…(x-100),则f′(0)等于( )A.100 B.0
C.100×99×98×…×3×2×1 D.1
解析:∵f(x)=x(x-1)(x-2)…(x-100),
∴f′(x)=(x-1)(x-2)…(x-100)+x·[(x-1)·(x-2)…(x-100)]′.
∴f′(0)=(-1)(-2)…(-100)=100×99×98×…×3×2×1.
答案:C
练习册系列答案
相关题目
题目内容
设f(x)=x(x-1)(x-2)…(x-100),则f′(0)等于( )A.100 B.0
C.100×99×98×…×3×2×1 D.1
解析:∵f(x)=x(x-1)(x-2)…(x-100),
∴f′(x)=(x-1)(x-2)…(x-100)+x·[(x-1)·(x-2)…(x-100)]′.
∴f′(0)=(-1)(-2)…(-100)=100×99×98×…×3×2×1.
答案:C