ln(x^1/2+1)对x求导

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ln(x^1/2+1)对x求导ln(x^1/2+1)对x求导ln(x^1/2+1)对x求导[ln(x^1/2+1)]''=[1/(x^1/2+1)]*(x^1/2+1)''=[1/(x^1/2+1)]*[

ln(x^1/2+1)对x求导
ln(x^1/2+1)对x求导

ln(x^1/2+1)对x求导
[ln(x^1/2+1)]'
=[1/(x^1/2+1)]*(x^1/2+1)'
=[1/(x^1/2+1)]*[1/2*x^(1/2-1)]
=[1/2*x^(-1/2)]/(x^1/2+1)
=1/[2√x(√x+1)]
=1/(2x+2√x)