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本文主要介绍了数学的一种先进工具导数,通过导数的应用可以解决求非一元二次方程解的个数,为我们数形结合思想提供一种依据。
This article mainly introduces a kind of advanced tool derivative in mathematics. By using the derivative, we can solve the number of non-quadratic quadratic equations and provide a basis for our combination of number and form.