1. the sum of rational and irrational is always irrational2. the sum of 2 rationals is always rational3. the product of a non zero rational and an irrational is always irrational4. the product of 2 rationals is always rational
Result is correct reason 1. the sum of rational and irrational is always irrational 2. the sum of 2 rationals is always rational 3. the product of a non zero rational and an irrational is always irrational 4. the product of 2 rationals is always rational