CHAPTER 1 NUMBER SYSTEMS
RATIONAL NUMBER A number is called a rational number if it can be written in the form of p/q where p and q are integers and q≠0. IRRATIONAL NUMBERS A number is said to be irrational if it cannot be written in the form p/q where p and q are integers and q≠0. TYPES OF DECIMALS
The decimal expansion of an irrational number is nonterminating and nonrecurring. The collection of rational and irrational numbers makes up the real numbers. IDENTITIES FOR REAL NUMBERS:
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