Thursday

September 18, 2014

September 18, 2014

Posted by **John** on Tuesday, October 11, 2011 at 8:42pm.

Use logarithmic differentiation to find the derivative of the function.

- calculus -
**Reiny**, Tuesday, October 11, 2011 at 10:21pmlny = ln[(lnx)^(cos(4x))]

= cos(4x) * ln(ln(x))

y'/y = cos(4x)*1/ln(x) * 1/x + ln(ln(x))(-4sin(4x)

y' = (ln x)^(cos4x) [cos(4x)*1/ln(x) * 1/x + ln(ln(x))(-4sin(4x) ]

**Answer this Question**

**Related Questions**

Calculus Help - Use logarithmic differentiation to find the derivative of the ...

Calculus Help - Use logarithmic differentiation to find the derivative of the ...

Calculus - Use logarithmic differentiation to determine the derivative of the ...

Calculus - I need to find the derivative of the following problem via ...

math - Use logarithmic differentiation to find the derivative of the function. y...

Calculus - Use logarithmic differentiation to find the derivative of f(x) = x^x+...

Calculus - Use logarithmic differentiation to find the following derivative y=(x...

calculus - Use logarithmic differentiation to find the following derivative: y=(...

Calculus - Use a symbolic differentiation utility to find the derivative of the ...

Calculus - Use logarithmic differentiation to find derivative of y=x^x^2 x > ...