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Laws of Exponents

The laws of exponents are used for rationalization. They are applied and it has been used while solving the problems.


Multiplication:

Example : 

We can say in general as, .

 

Division:

We follow the same rule for division too.

.
 

Example : 

 

Powers:

Here we are applying the laws of exponents.

(i) (xm)n = xmn

(ii)x n y n = (xy)n
 

Examples : 

(32)4 = 3´ 4 = 38

(62) (42) = (6 ´ 4)2 = 24

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