Detailed solution to all exercise questions of NCERT book for CBSE Class 9 Math in Chapter 1 - Number Systems.
Key concepts covered in this chapter include rational numbers, irrational numbers, rationalize the denominator of an irrational number, real numbers and their decimal representation - recurring decimals and non recurring decimals, terminating decimals and non-terminating decimals, and laws of exponents.
Exercise 1.1 - 4 questions
Properties of rational numbers, natural numbers, whole numbers, and integers. Finding rational numbers between two numbers. Expressing rational numbers in the form \\frac{p}{q}), where p and q are integers and q is not zero.
Exercise 1.2 - 2 questions
Exercise 1.3 - 9 questions
Concepts covered in exercise 1.3 include rational numbers, decimal expansion of rational numbers, terminating decimals - also known as finite decimals, non-terminating decimals - also known as infinite decimals, recurring decimals also known as repeating decimals, fractional equivalents of non-terminating recurring decimals.
Exercise 1.5 - 5 questions
Exercise 1.6 - 3 questions
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