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Assignment:Find the solution set of inequality 25/n+0.98sqrt(n) >= 0.5124 .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality:
25 / n + 0.98 * sqrt ( n ) >= 0.5124 (1)
From the definition field of divisor
x ≠ 0 (2 )
From the definition field of √
x ≥ 0 (3 )
From inequality(1):
n ≥ 0
From inequality(2):
n < 0 或 n > 0
From inequality(3):
n ≥ 0
From inequalities (1) and (2)
n > 0 (4)
From inequalities (3) and (4)
n > 0 (5)
The final solution set is :
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