Sup and Inf. A nice exercise

[@আল_ইশিগামি_সেনকু]

Assalamualikum. Very useful for self learning. Thank you from Bangladesh 🇧🇩

[@maamarbenbachir]

W.a. Salam
Thank you. My pleasure.

[@balsam1791]

💪💪💪

[@maamarbenbachir]

Thanks.

[@wassimdjoudi]

thank you very much from usthb

[@maamarbenbachir]

My pleasure. I graduated at USTHB: DES , Magister and Doctorat d'état.

[@kooradz914]

I can never come up with a trick like that if it was in the midterm :(

[@maamarbenbachir]

In exams we are not supposed to answer all the questions. Just save your day.