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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 x^2-2x ≤4x/x+1 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
x ^ 2 - 2 * x ≤4 * x / x + 1 (1)
From the definition field of divisor
x ≠ 0 (2 )
From inequality(1):
-1.44949 ≤ x ≤ 3.44949
From inequality(2):
x < 0 或 x > 0
From inequalities (1) and (2)
-1.44949 ≤ x < 0 或 0 < x ≤ 3.44949 (3)
The final solution set is :
-1.44949 ≤ x < 0 或 0 < x ≤ 3.44949 Your problem has not been solved here? Please take a look at the hot problems !