Book: RD Sharma - Mathematics
Chapter: 2. Powers
Subject: Maths - Class 8th
Q. No. 1 of Exercise 2.1
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1
Express each of the following as a rational number of the form
, where p and q are integers and q
0:
(i) 2-3
(ii) (-4)-2
(iii) 
(iv) 
(v) 
(i) 2-3 = 
= 
[Using a-n = 
]
(ii) (-4)-2 = 
= 
= 
[Using a-n = 
]
(iii) 
= 
[Using 
n]
(iv) 
= 
= 
= 
[Using 
-n = 
]
(v) 
= 
= 
[Using 
-n = 
]
