Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality -ln-a-a²+1 <0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        -ln -a - a ^ 2 + 1 <0         (1)

---

    From inequality(1)：
         a < -0.012407 或  a ＞ 80.602885

---

    The final solution set is :
         a < -0.012407 或  a ＞ 80.602885

Your problem has not been solved here? Please take a look at the  hot problems ！