函数f(x)=ax^3-x (a
问题描述:
函数f(x)=ax^3-x (a
答
f'(x)=3ax^2-1
f'(2)=0
3a*4-1=0
a=1/12
函数f(x)=ax^3-x (a
f'(x)=3ax^2-1
f'(2)=0
3a*4-1=0
a=1/12