সরলরেখা।। লেকচার-৪ ।। HSC higher math chapter 3.2।। straight line।। hsc 1st paper 3rd chapter।।

[@SilenceSNDOI]

Sir,oshonkho dhonnobad😀Waiting for more👀

[@YosufYosuf-d3e]

Wow sir apni to onek shundor koira class koraite paren......❤

[@aslamaslamm6285]

Sir classta onek valo laglo...plz nex class cai

[@nazninemu7872]

Sir full playlist ta taratri den