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| Introduction |
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| If m is a positive integer, a x a x a …. m times is written as am. a is called the base and m is the power. We read it as "a raised to the power m". The power is also called "the index" or "the exponent". |
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When the power or index is a fraction say  then  and it is a surd of order n. In this chapter we will study the laws of indices. |
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