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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 -a-1+sqrt(8a+8)/2 <-1.5 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
-a - 1 + sqrt ( 8 * a + 8 ) / 2 < -1.5 (1)
From the definition field of √
8 * x + 8 ≥ 0 (2 )
From inequality(1):
a > 7/2
From inequality(2):
a ≥ -1
From inequalities (1) and (2)
a > 7/2 (3)
The final solution set is :
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