Question

Question 8
One(1) is:
(a) the identity for addition of rational numbers.
(b) the identity for subtraction of rational numbers.
(c) the identity for multiplication of rational numbers.
(d) the identity for division of rational numbers.

Answer 1

One (1) is the identity for multiplication of rational numbers i.e option (c)
That means if a is a rational number
Then, a.1 = 1.a = a