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 ...
NCERT Class 9 Textbooks: The National Council of Educational Research and Training (NCERT) has announced the availability of soft copies of Class 9 textbooks to make study materials easily available ...
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