Question

4. Which of the following is the Multiplicative identity for rational numbers?
a. 1 b. -1 c. 0 d. None of these​

Answer 1

Answer:

0 are identity of multiplicative

Answer 2

$Multiplicative \: identity \: of \: rational \: a \\is \: 1$

$\boxed { \pink { a \times 1 = 1 \times a = a }}$

Therefore.,

$Option \: \pink { (a)} \: is \: correct$

Example :

2 × 1 = 2

$\frac{-5}{3} \times 1 = \frac{-5}{3}$

•••♪