求∫x/(1-x)dx

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求∫x/(1-x)dx
求∫x/(1-x)dx

求∫x/(1-x)dx
答:
∫ x /(1-x) dx
=- ∫ (x-1+1) /(x-1) dx
= - ∫ 1+1/(x-1) dx
= - x -ln(x-1)+C

F下面有数字吧?

答:
∫ x /(1-x) dx
=- ∫ (x-1+1) /(x-1) dx
= - ∫ 1+1/(x-1) dx
= - x -ln(x-1)+C

∫x/(1-x)dx=∫-(1-x)/(1-x)-1/(x-1)dx=∫-1-1/(x-1)dx=-x+ln(x-1)+C