Differential Calculus (id: b4dbd3477)

本题目来源于试卷: Differential Calculus，类别为 IB数学

[填空题]
Consider the curve $y=\frac{2x}{1+x}$,$x\in \mathbb{R}$,$x\ne -1$.
1. Find $\frac{\mathrm{d}y}{\mathrm{d}x}$.   
2. Determine the equation of the normal to the curve at the point $\mathrm{P}(-2,4)$.   

参考答案:
空格1: 2/(1+x)^2  空格2: -1/2*x+3 


本题详细解析:

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