Fibonacci's identity

Fibonacci's identity may refer either to:

• the Brahmagupta–Fibonacci identity in algebra, showing that the set of all sums of two squares is closed under multiplication
• the Cassini and Catalan identities on Fibonacci numbers

This disambiguation page lists articles associated with the title Fibonacci's identity.
If an internal link led you here, you may wish to change the link to point directly to the intended article.