Question

what is the multiplicative identity for rational number​

Answer 1

The rational number 1 is the multiplicative identity for rational numbers.

The multiplicative inverse of a negative rational number is the reciprocal of the negative rational number.

Multiplicative identity

• One is the additive identity for Rational, natural, whole numbers and integers, since multiplying it to them does not change the result.
• Hence, 1x a = ax1 = a, where a can be rational number or natural number or whole number of integer

Answer 2

Answer:

1 is the multiplicative identity for rational number