arctanx/x+1的积分,原题是arctan(x+1)/x^2+2x+2

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arctanx/x+1的积分,原题是arctan(x+1)/x^2+2x+2arctanx/x+1的积分,原题是arctan(x+1)/x^2+2x+2arctanx/x+1的积分,原题是arctan

arctanx/x+1的积分,原题是arctan(x+1)/x^2+2x+2
arctanx/x+1的积分,原题是arctan(x+1)/x^2+2x+2

arctanx/x+1的积分,原题是arctan(x+1)/x^2+2x+2
(1/2)*arctan^2(x+1)