- #1

- 10

- 0

## Homework Statement

find the subnormal using Descartes normal method.

## Homework Equations

f\left( x \right)\; =\; \frac{1}{x},\;

## The Attempt at a Solution

i get an 4th degree equation in x!

however this is my first post and i really wanted to try the LateX thing. first time.