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Assignment:Find the solution set of inequality (8000/(x-45)) >= 1.995*(139200/(0.045*x+4.23))^(1/3) .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
( 8000 / ( x - 45 ) ) >= 1.995 * ( 139200 / ( 0.045 * x + 4.23 ) ) ^ ( 1 / 3 ) (1)
From the definition field of divisor
x - 45 ≠ 0 (2 )
From the definition field of divisor
0.045 * x + 4.23 ≠ 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 < 45 或 x > 45
From inequality(3):
x < -94 或 x > -94
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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