Hello, Everyone.
From Testing :
Thanks in advance.
Solved! Go to Solution.
https://en.wikipedia.org/wiki/Cassini_and_Catalan_identities
https://proofwiki.org/wiki/Cassini%27s_Identity
https://en.wikipedia.org/wiki/Fibonacci_number#Binet's_formula
https://artofproblemsolving.com/wiki/index.php?title=Binet%27s_Formula ...
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I greatly appreciate your time and help, Werner.
Regards.