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Right properties of rational numbers if addition , subtraction , multiplicationand division on the A4 size pap

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Solution

Here are the right properties of rational numbers for addition, subtraction, multiplication, and division:

1. Addition

  • Commutative Property: a+b=b+a a + b = b + a
  • Associative Property: (a+b)+c=a+(b+c) (a + b) + c = a + (b + c)
  • Identity Element: a+0=a a + 0 = a

2. Subtraction

  • Non-Commutative Property: abba a - b \neq b - a
  • Associative Property: Not applicable.
  • Identity Element: a0=a a - 0 = a

3. Multiplication

  • Commutative Property: ab=ba a \cdot b = b \cdot a
  • Associative Property: (ab)c=a(bc) (a \cdot b) \cdot c = a \cdot (b \cdot c)
  • Identity Element: a1=a a \cdot 1 = a
  • Distributive Property: a(b+c)=ab+ac a(b + c) = ab + ac

4. Division

  • Non-Commutative Property: a÷bb÷a a \div b \neq b \div a
  • Associative Property: Not applicable.
  • Identity Element: a÷1=a a \div 1 = a (where b0 b \neq 0 )
  • Division by Zero: Division by zero is undefined.

These properties are fundamental to understanding how rational numbers behave under various operations.

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