INTRODUCTION

This blog contains detailed notes on some maths topics taught in higher secondary classes. Explanations are given with the help of large number of detailed illustrations. Solved examples are also given.

• After reading the notes and clearing any doubts, readers are advised to refer various Question banks.
• A large number of numerical problems should be practiced to acquire skills in solving them within optimum time intervals. The readers must thus become able to answer all types of questions with various difficulty levels.
• In this blog, numerous solved examples and other questions with answers are given.
• The answers are given in detailed steps.
• Such detailing may not be required for examinations. Please follow the class notes and instructions given by the teachers carefully.
• Please refer the Reading tips page to see:
    ♦ How illustrations and their explanations can be viewed side by side on the screen.
    ♦ Tips to find specific topics in the blog which may not be given in the Index section
• Please feel free to post your views in comments sections below each lesson
Note that it is very important to do experiments and activities carefully. All safety measures should be taken. Some of the compulsory safety measures are:
• Wearing lab coat or lab apron
• Wearing safety goggles for protection of eyes
• Using acid resistant gloves
• Experiments and activities should be performed only under the guidance of authorised professionals.