Polynomial Class 9 Lec.1
53:17
Polynomial Class 9 Lec.2
40:40
Number System NCERT Exemplar Questions Lec. 1
31:59
Number System Class 9 Lec.5
40:03
Number system Class 9 Lec.-2
45:51
Math Proofs: Lecture 33 - Group properties (ProfeSuazo)
53:46
Number system Class 9 Lec.3
17:47
Heron's formula (example and proof)
57:27