This unit is divided into 3 parts. Choose what you want to do. However, it's recommended that you go in the specified order.

Explanation - This comprises concept building plus reinforcement of your understanding through relevant examples and multimedia learning objects.

Solved Examples - These help you apply the concepts in practical situations. Solved examples help understand problem solving better and also simulate the actual examination.

Unit Test - Tests your understanding of the concepts and suggests remedial action in case your performance is not up to the mark.