গোলীয় দর্পণ সমীকরণের উৎপত্তি

Video narration

Bostu ar protibimber durotter songe fokaser durotter somporkota ashe kotha theke? Chamcher baka chokchoke pithe nijer chhobi dekhechho? Goliyo dorpon-o baka prishthe protifolito roshmi miliye chhobi toiri kore. Sutrota alada kore mukhosto korar noy-okkher kacher roshmite toiri sadrish tribhujer somporko thekei ashe. Roshmichitre, tribhuj ABP o tribhuj A-prime B-prime P sadrish; era bostu o protibimber ucchota ebong durotter onupat dey. Ebar okkho-songlogno, orthat prodhan okkher khub kachhe chola roshmir jonno, MP pray AB. Ei anumanikota theke tribhuj MPF o A-prime B-prime F-er sadrishyota mele; tader somporko miliye fokaser durotto-o ashe. u, v, f jothakrome bostudurotto, protibimbodurotto o fokasodurotto. Kartesiyo chihno-niyome dik onujayi eder chihno bose; ar utpottiti okkher kacher roshmir anumaner opor nirbhorshil. Tai uttor: dorpon somikaron-e, ek bhag f soman ek bhag v jog ek bhag u.