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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 1.2a/(1.2a+0.73) >1.06a/(a+0.73) .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
1.2 * a / ( 1.2 * a + 0.73 ) >1.06 * a / ( a + 0.73 ) (1)
From the definition field of divisor
1.2 * x + 0.73 ≠ 0 (2 )
From the definition field of divisor
x + 0.73 ≠ 0 (3 )
From inequality(1):
-0.73 < a < -0.608333 或 0 < a < 1.419444
From inequality(2):
a < -0.608333 或 a > -0.608333
From inequality(3):
a < -73/100 或 a > -73/100
From inequalities (1) and (2)
-0.73 < a < -0.608333 或 0 < a < 1.419444 (4)
From inequalities (3) and (4)
-73/100 < a < -0.608333 或 0 < a < 1.419444 (5)
The final solution set is :
-73/100 < a < -0.608333 或 0 < a < 1.419444 Your problem has not been solved here? Please take a look at the hot problems !