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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 sqrt((1-4x)/x^2) ≥0 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
sqrt ( ( 1 - 4 * x ) / x ^ 2 ) ≥0 (1)
From the definition field of divisor
x ≠ 0 (2 )
From the definition field of √
( 1 - 4 * x ) / x ^ 2 ≥ 0 (3 )
From inequality(1):
The solution set is empty, that is, within the range of real numbers, the inequality will never be established!
From inequality(2):
x < 0 或 x > 0
From inequality(3):
x ≤ 1/4
The final solution set is :
The solution set is empty,that is, the inequality will never be estatlished within the real number range.
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