Write the rational number that does not have a reciprocal.


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Answer:

0

Step by Step Explanation:
  1. Rational numbers: A rational number is any number that can be expressed as the quotient or fraction  
    p
    q
      of two integers, p and q, with the denominator q not equal to zero. Since q may be equal to 1, every integer is a rational number.
    For example: reciprocal of  
    2
    3
      is  
    3
    2
     .
    Now,
     
    0
    a
      is a rational number....[Where a is non-zero integer]
    Reciprocal of  
    0
    a
      is  
    a
    0
      which is not a rational number because denominator is not equal to zero(0) in rational numbers.
  2. Therefore rational number zero(0) does not have a reciprocal.
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