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已知函数的单调性,求参变量的取值范围,实质上是含参不等式恒成立的一种重要题型.本文将举例说明此类问题的求解策略.
Knowing the monotonicity of the function and finding the range of the parameter’s value, it is essentially an important question type with the parameter inequality constant. This article will illustrate the solution to this type of problem.