One (1) is: - Vidyadip

MCQ

One $(1)$ is:

A
The identity for addition of rational numbers.
B
The identity for subtraction of rational numbers.
✓
The identity for multiplication of rational numbers.
D
The identity for division of rational numbers.

✓

Answer

Correct option: C.

The identity for multiplication of rational numbers.

One $(1)$ is the identity for multiplication of rational numbers.
That means,
If $a$ is a rational number.
Then, $a - 1 = 1 - a = a$
Note: One $(1)$ is the multiplication identity for integers and whole number also.

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