CHAPTER 1 NUMBER SYSTEMS
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.
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 non-terminating and non-recurring.
The collection of rational and irrational numbers makes up the real numbers.
IDENTITIES FOR REAL NUMBERS: