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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 0-a^2-a√（a^2+8) >4 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        0 - a ^ 2 - a * √ ( a ^ 2 + 8 ) >4         (1)
        From the definition field of √
         x ^ 2 + 8 ≥ 0        (2 )

---

    From inequality(1)：
        x ∈ Φ (Φ is empty)that is, the inequality will never be estatlished within the real number range!
    From inequality(2)：
         a ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!

---

    From inequalities (1) and (2)
        x ∈ Φ (Φ is empty)that is, the inequality will never be estatlished within the real number range!    (3)

---

    The final solution set is :
        x ∈ Φ (Φ is empty)that is, the inequality will never be estatlished within the real number range!

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