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六、掌握微分学的两个基本概念 数学分析的主体内容是微积分。研究导数的理论通常称为微分学。导数与微分是微分学的两个基本概念,掌握好这两个概念必须能回答下列问题: 1.导数概念是有哪些物理模型中抽象出来的? 2.函数f在x_0点可导(左侧可导、右侧可导)与函数f在x_0点的导数(左导数、右导数)这
6. Grasping two basic concepts of differential calculus The main content of mathematical analysis is calculus. The theory of studying derivatives is often called differential calculus. Derivatives and differentials are two basic concepts of differential calculus. To master these two concepts one must be able to answer the following questions: 1. What are the abstractions of the derivative concept in the physical model? 2. The function f can be conducted at the x_0 point (left side Derivative, right-hand derivative) Derivative of function f at x_0 (left derivative, right derivative)