Permutations & Combination-23 | Sum of all numbers of n digits which can be formed with given digits

[@ChessSpark]

Bahut helpful hoga sir🎉

[@luckytushir7944]

✨💫💫

[@vinisharma5575]

THANK YOU VERY MUCH SIR!!

[@tanishqbahl4133]

LORD AMANDEEP SIR

[@venkatsha851]

Ever grateful to you sir.❤
My quant preparation in a very structured and proper manner is only because of you sir.🎉
Proud to be your student sir💪

[@SatyamSrivastava-sf9kc]

I am preparing for JEE 2024 and this video is helpful

[@FlickEra]

How will this formula change if some numbers that are the same are given , like 1,2,2,3 ?