Question Number 148207 by learner001 last updated on 26/Jul/21
$$\mathrm{any}\:\mathrm{book}\:\mathrm{on}\:\mathrm{lucas}\:\mathrm{and}\:\mathrm{fibonacci}\:\mathrm{sequence}? \\ $$
Commented by Snail last updated on 26/Jul/21
$${Just}\:{go}\:{to}\:{Wikipedia}... \\ $$