Question

if x and y are any two rational number then what is:

$x + y$


$x - y$



$x \times y$




$x \div y$
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Answer 1

Answer:

X + Y is equal to a rational number according to the closure property

x - y is also a rational number according to the closure property

X × Y is equal to to a rational number according to the closure property

X / y may not be a rational number according to the closure property

for example 8 divided by zero is not a rational number