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计算二重积分ff(x-3y^2)dxdy,D由0
题目详情
计算二重积分ff(x-3y^2)dxdy,D由0
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答案和解析
ff(x-3y^2)dxdy
=f(0~2)dx f(1~2)(x-3y^2)dy
=f(0~2)dx (xy-y^3)|(1~2)
=f(0~2)(x-7)dx
=(1/2x^2-7x)|(0~2)
=-12
=f(0~2)dx f(1~2)(x-3y^2)dy
=f(0~2)dx (xy-y^3)|(1~2)
=f(0~2)(x-7)dx
=(1/2x^2-7x)|(0~2)
=-12
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