试题与答案

已知函数f(x)=xlnx-a2x2,a∈R(Ⅰ)若f(x)在(0,+∞)单调递

题型:解答题

题目:

已知函数f(x)=xlnx-
a
2
x2,a∈
R
(Ⅰ)若f(x)在(0,+∞)单调递减,求a的最小值;
(Ⅱ)若f(x)有两个极值点,求a的取值范围.

答案:

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