问题:
已知函数f(x)=a(x-
1
x
)-21nx(a∈R).
(Ⅰ)曲线y=f(x)在点(1,f(1))处的切线方程是2x-y+b=0,求a,b的值
(Ⅱ)若a=
1
2
,讨论函数f(x)的单调性,并求极值.
已知函数f(x)=a(x-
)-21nx(a∈R).
(Ⅰ)曲线y=f(x)在点(1,f(1))处的切线方程是2x-y+b=0,求a,b的值
(Ⅱ)若a=
,讨论函数f(x)的单调性,并求极值.
1 |
x |
(Ⅰ)曲线y=f(x)在点(1,f(1))处的切线方程是2x-y+b=0,求a,b的值
(Ⅱ)若a=
1 |
2 |
参考答案: