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Overview: 1 questions will be solved this time.Among them
☆1 inequalities
[ 1/1Inequality]
Assignment:Find the solution set of inequality -9xxx+3abs(x)-4sqrt(xx-0.3) >3sqrt(11) .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
-9 * x * x * x + 3 * abs ( x ) - 4 * sqrt ( x * x - 0.3 ) >3 * sqrt ( 11 ) (1)
From the definition field of √
x * x - 0.3 ≥ 0 (2 )
From inequality(1):
x < -1.048736
From inequality(2):
x ≤ -√3/√10 或 x ≥ √3/√10
From inequalities (1) and (2)
x < -1.048736 (3)
The final solution set is :
x < -1.048736Your problem has not been solved here? Please take a look at the hot problems !