Fibonacci Identity

Author

Eric W. Weisstein
April 13, 2004

This notebook downloaded from http://mathworld.wolfram.com/notebooks/Algebra/FibonacciIdentity.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/FibonacciIdentity.html.

©2005 Wolfram Research, Inc. except for portions noted otherwise

Identity

Simplify[Subtract@@{(a^2+b^2)(c^2+d^2),(a c-b d)^2+(b c+a d)^2}]