求∫2x^2+3x-5/x+3 dx,上限是5,下限是0,

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求∫2x^2+3x-5/x+3 dx,上限是5,下限是0,
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求∫2x^2+3x-5/x+3 dx,上限是5,下限是0,
求∫2x^2+3x-5/x+3 dx,上限是5,下限是0,

求∫2x^2+3x-5/x+3 dx,上限是5,下限是0,
∫上限是5下限是0((2x^2+3x-5)dx/(x+3)) (数学符号不好打印,就按你的格式写了)
=∫上限是5下限是0(2*(x-3)+3+4/(x+3))dx
可以分开写
=∫上限是5下限是0(2*(x-3))dx+∫上限是5下限是0 3dx + ∫上限是5下限是0 4/(x+3)dx
=∫上限是5下限是0 2x dx -6∫上限是5下限是0 dx +3∫上限是5下限是0 dx
+∫上限是5下限是0 4/(x+3)dx
=x^2|上限是5下限是0-3x|上限是5下限是0+4*ln(x+3)|上限是5下限是0
=25-0-(3*5-0)+4*ln8-4*ln3
=10+12ln2-4ln3