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⚡ Topic Learning KitNumber Systems — Class 9 Maths Chapter 1
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Number Systems — Class 9 Maths Chapter 1
This chapter introduces the structure of the real number system, covering natural numbers, whole numbers, integers, rational and irrational numbers, and their representation on the number line. It builds the foundation f…
- Natural numbers: $\{1, 2, 3, \dots\}$
- Whole numbers: $\{0, 1, 2, 3, \dots\}$
- Integers: $\{\dots, -2, -1, 0, 1, 2, \dots\}$
~15 min · full explanation, examples & memory tricks in the app
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