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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 (3x-5)/(2x+7) >0 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
( 3 * x - 5 ) / ( 2 * x + 7 ) >0 (1)
From the definition field of divisor
2 * x + 7 ≠ 0 (2 )
From inequality(1):
x < -3.5 或 x > 5/3
From inequality(2):
x < -7/2 或 x > -7/2
From inequalities (1) and (2)
x < -3.5 或 x > 5/3 (3)
The final solution set is :
x < -3.5 或 x > 5/3Your problem has not been solved here? Please take a look at the hot problems !