Introduction – Surds

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Topic Content:

Rational Numbers
Irrational Numbers
Meaning of Surds
Rules of Surds

Rational Numbers:

Some numbers can be expressed as ratios of two integers, e.g. \( \frac {a}{b} \)where a and b are integers and b≠0, such numbers are called rational numbers.

Examples of rational numbers: \( \scriptsize 3, \; \normalsize \frac {2}{5}, \; \scriptsize 2.7 \; e.t.c \)

All integers are rational numbers since each integer n can be written in the form ...

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