Question

Fill in the blanks: [5]

1. The number ________________is called the additive identity of rational numbers.

2. Multiplicative identity of rational number is. ___________________ .

3. Multiplicative inverse is also called _____________.

4. If A is any set, then A U Ø is ________________________.

5. A and B are disjoint sets if and only if A Ո B = ____________________.​

Answer 1

Answer:

1=0

2= is the number itself

3=reciprocal

4=?

5?

Answer 2

Answer:

(1.) 0[zero]

(2.)1

(3.)reciprocals

????