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Which of the following is the identity element of addition?
An identity element or neutral element is a special type of element of a set with respect to a binary operation on that set, which leaves any element of the set unchanged when combined with it
An identity with respect to addition is called an additive identity (often denoted as 0) .
Which of the following is the multiplicative identity for rational numbers?
Which of the following is neither positive nor a negative rational number?
Which of the following rational numbers lies between 0 and –1?
Clearly, 0 and −1 cannot lie between 0 and −1.
We can clearly see that lies between 0 and −1.
Which of the following is the reciprocal of the reciprocal of a rational number?