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Q.

Which of the subsequent is equivalent to the term 5 2  ?


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a

1 5 −2  

b

1 5 2  

c

5 −2  

d

2 3 −5   

answer is A.

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Detailed Solution

The given term is 5 2 .  
Apply the law of exponent a m = 1 a −m .  
Therefore we have,
5 2 = 1 5 −2  
Hence, 5 2  is equivalent to 1 5 −2 .  
Hence option (1) is correct.
 
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