00:00:30 Graphical and Algebraical Tests for Parallel lines, intersecting lines and coincident lines

00:05:22 NCERT Exercise 3.2 Question 2

00:13:32 Consistent and Inconsistent pair of linear equations in two variables (unique solution, no solution, infinite solution)

00:16:42 NCERT Exercise 3.2 Question 3

00:23:52 NCERT Exercise 3.2 Question 4