22:15

Revision part 2-1

35:27

Revision part 2-2

55:34

Rules of derivative (قوانين الاشتقق)

58:50

Mathimatical indication (الاثبات رياضي)

43:07

Revision part 3

25:55

Um dos exames de matemática mais difíceis da Índia este ano

21:52

Unbalanced transportation

28:17

Dual Simplex method tutorial