Алгебра та геометрія, лекція 18-2: матриця переходу між системами векторів

New channel Кафедра ММЗІ: title sample judged 'whole' (A university cryptography/discrete-math department's full lecture recordings, almost entirely structured academic teachi); passed a second screen for sellers/exam-prep/re-uploads; 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.