高等数学问题(第5小题)
如题所述
用格林公式
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/83025aafa40f4bfb2116bb0d0b4f78f0f63618a0?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
温馨提示:答案为网友推荐,仅供参考
相似回答
高等数学积分问题,求详细,第五小题答:由F(x)=∫(a,g(x))f(t)dt得F'(x)=f(g(x))*g'(x)所以Φ'(x)=(x^2-1)*e^(-x^2)*2x=(2x^3-2x)*e^(-x^2)令Φ'(x)=0,则(2x^3-2x)*e^(-x^2)=0,即x^3-x=0,解得:x1=0,x2=1,x3=-1 设f(t)=t^3-t,则令f'(t)=3t^2-1=0解得:t1=√3/3,t...