### Write the rational number that does not have a reciprocal.

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**Answer: **0

**Step by Step Explanation: ****Rational numbers:** A rational number is any number that can be expressed as the quotient or fraction 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 is .

Now,

is a rational number.**...[Where a is non-zero integer]**

Reciprocal of is which is not a rational number because denominator is not equal to zero(0) in rational numbers.
- Therefore rational number
**zero(0)** does not have a reciprocal.