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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 (e(-0.427x)-e(-0.4697x))/(1.8171-e(-0.427x)) <0.01 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
( e ( -0.427 * x ) - e ( -0.4697 * x ) ) / ( 1.8171 - e ( -0.427 * x ) ) <0.01 (1)
From the definition field of divisor
1.8171 - e ( -0.427 * x ) ≠ 0 (2 )
From inequality(1):
-1.398693 < x < 0.238107 或 x > √36086137/1000
From inequality(2):
x < -1.398693 或 x > -1.398693
From inequalities (1) and (2)
-1.398693 < x < 0.238107 或 x > √36086137/1000 (3)
The final solution set is :
-1.398693 < x < 0.238107 或 x > √36086137/1000Your problem has not been solved here? Please take a look at the hot problems !