Hellow guys, Welcome to my website, and you are watching L-2.3: Recurrence Relation [ T(n)= n*T(n-1) ] | Substitution Method | Algorithm. and this vIdeo is uploaded by Gate Smashers at 2020-01-19T08:55:02-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.