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 study resource in schools across India is the NCERT textbooks. Thanks to their coherent and easy-to-understand language, the NCERT books have become the ideal learning material for ...

Grade school math students are likely familiar with teachers admonishing them not to just guess the answer to a problem. But a new proof establishes that, in fact, the right kind of guessing is ...