How do you find the derivative of ln(x^(1/2))ln(x12)?

1 Answer
Oct 21, 2016

d/dxlnx^(1/2) = 1/(2x) ddxlnx12=12x

Explanation:

Use the properties of logs: log a^b=blogalogab=bloga and the natural log derivative, d/dxlnx=1/x ddxlnx=1x

so d/dxlnx^(1/2) = d/dx(1/2lnx) ddxlnx12=ddx(12lnx)
:. d/dxlnx^(1/2) = 1/2 d/dx(lnx)
:. d/dxlnx^(1/2) = 1/2 1/x
:. d/dxlnx^(1/2) = 1/(2x)