[ln(x+1)]^2的导数

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[ln(x+1)]^2的导数
[ln(x+1)]^2的导数

[ln(x+1)]^2的导数

=2ln(x+1) ×[ln(x+1)]'
=2ln(x+1) ×1/(x+1) ×(x+1)'
=2ln(x+1) ×1/(x+1) ×1
=2ln(x+1) /(x+1)

ln(x^2-x+1)
求导
=[1/(x²-x+1)]*(2x-1)
=(2x-1)/(x²-x+1)