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Mathematics, 28.01.2020 21:04 woodfordmaliky

Which statement is true about the product of a non-zero rational number and an irrational number?
a)the product of a non-zero rational number and an irrational number is always a rational number.
b)the product of a non-zero rational number and an irrational number is never an irrational number.
c)the product of a non-zero rational number and an irrational number is sometimes a rational number.
d)the product of a non-zero rational number and an irrational number is always an irrational number.

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