Yeh video basically Linear Algebra ke ek important topic, "vector subspaces," pe hai. Dr. Gaj Purohit ne yeh explain kiya hai ki subspace kya hota hai aur use kaise prove karte hain. Unhone ek theorem bhi explain kiya hai jiska proof exams mein aksar pucha jata hai, plus kuch numerical examples bhi diye hain. Aakhir mein, unhone apne channel aur other helpful resources ke bare mein bhi bataya hai, especially for CSIR NET aspirants. Basically, subspace ki definition aur usko prove karne ke methods samjhane pe focus tha.