This Lecture Covers:
Definition of Modulus
Solving equations containing modulus
Solving Inequalities containing modulus

Here are the links to all the videos in this playlist:

Intervals:    • 1.Basic Mathematics - Intervals (JEE ...  
Inequalities:    • 2.Basic Mathematics - Inequalities (J...  
Solving Linear Inequalities:    • 3.Basic Mathematics - Solving Linear ...  
Squaring both sides in an Inequality:    • 4.Basic Mathematics - Squaring both s...  
Taking Reciprocal In Inequalities:    • 5.Basic Mathematics - Taking Reciproc...  
Wavy Curve Method:    • 6.Basic Mathematics - Wavy Curve Meth...  
Wavy Curve Method Practice Questions:    • 7.Basic Mathematics - Wavy Curve Meth...  
Modulus:    • 8.Basic Mathematics - Modulus (Absolu...  
Properties of Modulus:    • 9.Basic Mathematics - Properties of M...  
Modulus Inequalities:    • 10.Basic Mathematics - Modulus Inequa...  
Formal Definition of Modulus:    • 11.Basic mathematics - Formal Definit...  
Modulus Practice Questions:    • 12.Basic Mathematics - Modulus Practi...  
How to solve Advanced Modulus Inequalities:    • 13.Basic Mathematics - How to solve A...  
Solving Irrational Inequalities:    • 14.Basic Mathematics - Solving Irrati...  
Irrational Inequalities Practice Questions:    • 15.Basic Mathematics - Irrational Ine...  
Definition of Logarithm and Basic Properties:    • 16. Basic Mathematics : Definition of...  
Practice Questions:    • 17. Basic Mathematics : Practice Ques...  
Base Change Properties:    • 18. Basic Mathematics : Base Changing...  
Special Property of Logarithm:    • 19. Basic Mathematics : "Special Prop...  
Logarithm Equations:    • 20. Basic Mathematics : Logarithm Equ...  
Practice Questions:    • 21. Basic Mathematics : Logarithm Equ...  
Logarithm Inequalities:    • 22. Basic Mathematics : Log Inequalit...  
Practice Questions:    • 23. Basic Mathematics : Log Inequalit...