Multiplication of rational number

The multiplication of a rational number x and an irrational number y is

The multiplication of a rational number 'x' and an irrational number 'y' is

Taking any three rational numbers Shuvm examined whether the multiplication of the rational numbers obey Associative Law.

Give one example each to show that the rational numbers are closed under addition, subtraction and multiplication. Are rational numbers closed under division? Give two examples in support of your answer.

CLOSURE PROPERTY The product or multiplication of any two rational numbers is always a rational number.

What is the multiplicative identity of rational number?

Multiplication by 0every rational number when multiplied with 0given 0.

Name the multiplication property of rational numbers shown below : (iv) (-7)/(5)xx(5)/(-7)=1

Name the multiplication property of rational numbers shown below : (i) (3)/(5)xx(-8)/(9)=(-8)/(9)xx(3)/(5)