Differentiation: (lesson 3 of 3)

## Chain Rule

If
is a differentiable function of
, and
is a differentiable function of
, then
This a differentiable function of
, and

or, equivalently,

Example 1:

### The General Power Rule

## Random Quote

The essence of mathematics is its freedom.

Geoge Cantor

## Random Quote

The infinite! No other question has ever moved so profoundly the spirit of man.

David Hilbert