[重積] 100 中山 海工 第五題(b)
5.(b)
Let R={(x,y)|-1<=x<=1,0<=y,1<=(x^2+y^2)<=4}
Evaluate the double integral
∫∫(x^2)y dA
R
然後王伯的解答寫
http://ppt.cc/O7M7
最下面那行,不好意思畫質不是很好
不懂為什麼可以變成積1
謝謝
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