The ebook Elementary Calculus is based on material originally written by H.J. Keisler. For more information please read the copyright pages.


Example 1

A particle moves in such a way that

11_partial_differentiation-293.gif

Find the rate of change of the distance from the particle to the origin when the particle is at the point (3, -4) (Figure 11.5.2).

11_partial_differentiation-294.gif

Figure 11.5.2

11_partial_differentiation-295.gif


Last Update: 2006-11-15