∮((x+3)÷(x+1)(x²+2))dx

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∮((x+3)÷(x+1)(x²+2))dx∮((x+3)÷(x+1)(x²+2))dx∮((x+3)÷(x+1)(x²+2))dx满意请采纳,谢谢!

∮((x+3)÷(x+1)(x²+2))dx
∮((x+3)÷(x+1)(x²+2))dx

∮((x+3)÷(x+1)(x²+2))dx

满意请采纳,谢谢!