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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 [(k+0.5)4k-50]/(k+0.5) >0 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
( ( k + 0.5 ) * 4 * k - 50 ) / ( k + 0.5 ) >0 (1)
From the definition field of divisor
x + 0.5 ≠ 0 (2 )
From inequality(1):
-3.794362 < k < -0.5 或 k > 3.294362
From inequality(2):
k < -1/2 或 k > -1/2
From inequalities (1) and (2)
-3.794362 < k < -0.5 或 k > 3.294362 (3)
The final solution set is :
-3.794362 < k < -0.5 或 k > 3.294362Your problem has not been solved here? Please take a look at the hot problems !