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展开全部
=∫x√(1-(x-1)²)dx
=∫(1+sinu)cos²udu
=1/2∫(cos2u+1)du-∫cos²udcosu
=sin2u/4+u/2-cos³u/3+C
=((x-1)√(2x-x²)+arcsin(x-1))/2-(2x-x²)^(3/2)/3+C
=∫(1+sinu)cos²udu
=1/2∫(cos2u+1)du-∫cos²udcosu
=sin2u/4+u/2-cos³u/3+C
=((x-1)√(2x-x²)+arcsin(x-1))/2-(2x-x²)^(3/2)/3+C
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