If this page is mystical to you return to the previous page for an explanation of the notation and issue.

Any **rational number** *x=p/q* is the solution of
*qx-p=0*, where *q* is positive. Thus we have

.

For example,.

The square root of two is the solution of.

Clearly, for this equation,.

However, this equation has *two* roots, the square
root of two, and its negative (which we agreed to count
first). Thus

.

Fine print, your comments, more links, Peter Alfeld, PA1UM

[16-Aug-1996]