give one example each to show that the rational number are closed under addition subtraction and multiplication of rational number closed under division give two example in support of your answer
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Rational nos r closed under addition:
1+2=3 which is a rational no.
Rational nos r closed under subtraction:
10-2=8 which is a rational no.
Rational nos r closed under multiplication:20×4=80which is a rational no.
Rational nos r closed under division:
20
1+2=3 which is a rational no.
Rational nos r closed under subtraction:
10-2=8 which is a rational no.
Rational nos r closed under multiplication:20×4=80which is a rational no.
Rational nos r closed under division:
20
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Step-by-step explanation:
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