求不定积分xdx/(x^2+1)
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求不定积分xdx/(x^2+1)求不定积分xdx/(x^2+1)求不定积分xdx/(x^2+1)=1/2【d(x^2+1)/(x^2+1)】的积分=1/2ln(x^2+1)+c;
求不定积分xdx/(x^2+1)
求不定积分xdx/(x^2+1)
求不定积分xdx/(x^2+1)
=1/2【d(x^2+1)/(x^2+1)】的积分
=1/2ln(x^2+1)+c;