Some important points to revise from the chapter are: • An equation of the form ax + by + c = 0, where a, b and c are real numbers, such that a and b are not both zero, is called a linear equation in ...

The most preferred learning resource in schools across India is the NCERT textbooks. Thanks to their lucid and easy-to-comprehend language, the NCERT books have become the ideal study material for ...

NCERT Book for Class 9 Maths: The latest NCERT Class 9 Mathematics Book for the 2025–26 academic session is now available for download in chapter-wise PDF format, in both English and Hindi medium.