Friday

January 30, 2015

January 30, 2015

Posted by **gnozahs** on Thursday, June 11, 2009 at 4:03am.

- calculus -
**Damon**, Thursday, June 11, 2009 at 5:15amlet z = ln x

dz = dx/x

dx = x dz

then

f(z) = z^4

df = 4 z^3 dz = 4 z^3 dx/x

df/dx = (4 /x) (ln x)^3

- calculus -
**gnozahs**, Thursday, June 11, 2009 at 12:01pmThank you! I've been stuck on that problem all night.

**Answer this Question**

**Related Questions**

Calculus 1 - Find the derivative of y with respect to x. y=(x^6/6)(lnx)-(x^6/36...

Calculus - derivatives - Okay, I want to find the derivative of (x^x)^(x^x)... ...

calculus - (a) find the intervals on which f is incrs or decrs. (b) find the ...

Calculus - Find the derivative of y with respect to x. y= [(x^5)/5]lnx-[(x^5)/25...

math - How do I find the derivative of ⌠lnx ⌡π cos(e^(t))dt The...

calculus - find the derivative of F(x)=x^2-4/1+lnx

Calculus - find the derivative of 4x(lnx+ln9)-9x+e

Calculus - Find the derivatives, dy/dx for the following functions. a. x^2y^4 = ...

Calculus Help!!! - Find the derivative if y=e^(2x)-lnx^(2) Im stuck, all i have ...

calculus - Please help me find the derivative of f(x) = x^(2^x) I got to ln(f(x...