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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 1/m/m[4+4m(m×m+6)]+28 ≥0 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
1 / m / m * ( 4 + 4 * m * ( m × m + 6 ) ) + 28 ≥0 (1)
From the definition field of divisor
x ≠ 0 (2 )
From the definition field of divisor
x ≠ 0 (3 )
From inequality(1):
-6.032934 ≤ m ≤ -0.744391 或 m ≥ -0.222674
From inequality(2):
m < 0 或 m > 0
From inequality(3):
m < 0 或 m > 0
From inequalities (1) and (2)
-6.032934 ≤ m ≤ -0.744391 或 -0.222674 ≤ m < 0 或 m > 0 (4)
From inequalities (3) and (4)
-6.032934 ≤ m ≤ -0.744391 或 -0.222674 ≤ m < 0 或 m > 0 (5)
The final solution set is :
-6.032934 ≤ m ≤ -0.744391 或 -0.222674 ≤ m < 0 或 m > 0Your problem has not been solved here? Please take a look at the hot problems !