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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 [2.6/(1+x)*3]+[1.5/(1+x)] >8 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
( 2.6 / ( 1 + x ) * 3 ) + ( 1.5 / ( 1 + x ) ) >8 (1)
From the definition field of divisor
1 + x ≠ 0 (2 )
From the definition field of divisor
1 + x ≠ 0 (3 )
From inequality(1):
-1 < x < 13/80
From inequality(2):
x < -1 或 x > -1
From inequality(3):
x < -1 或 x > -1
From inequalities (1) and (2)
-1 < x < 13/80 (4)
From inequalities (3) and (4)
-1 < x < 13/80 (5)
The final solution set is :
-1 < x < 13/80 Your problem has not been solved here? Please take a look at the hot problems !