∫(x-1)^(1/2)dx/(x+1)

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∫(x-1)^(1/2)dx/(x+1)∫(x-1)^(1/2)dx/(x+1)∫(x-1)^(1/2)dx/(x+1)积分后除以X+1还是先除后积分令x-1=t^2原式变换为∫td(t^2+2)

∫(x-1)^(1/2)dx/(x+1)
∫(x-1)^(1/2)dx/(x+1)

∫(x-1)^(1/2)dx/(x+1)
积分后除以X+1还是先除后积分

令x-1=t^2 原式变换为∫td(t^2+2)

∫[dx/(e^x(1+e^2x)]dx ∫1+2x/x(1+x)*dx∫1+2x/x(1+x) * dx ∫(x-1)^2dx, ∫x^1/2dx ∫dx/x(1+x) 1/(x+x^2)dx ∫1/x^2+x+1dx ∫1/(x^2+x+1)dx ∫dx/x^2(1-x^2) ∫dx/x^2(1+x^2) ∫X^2/1-x^2 dx. ∫X^2/1-x^2 dx. ∫ (x+arctanx)/(1+x^2) dx ∫（x^2+1/x^4)dx ∫2 -1|x²-x|dx ∫x^2/1+X dx. ∫ xe^x/(1+x)^2 dx ∫dx/[(1-x)x^2]