Integral Calculus (id: c7f278a04)

本题目来源于试卷: Integral Calculus，类别为 IB数学

[填空题]
Let $f(x)=2 x e^{x}$ and g(x)=-2 f(x)-1 .
The graphs of f and g intersect at x=a and x=b , where a1. Find the value of a and of b . a =    b =   
2. Hence, find the area of the region enclosed by the graphs of f and g .   

参考答案:
空格1: -2.83±2%  空格2: -0.204±2%  空格3: 1.91±2% 


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