Let a represent a non zero rational number and let b represent an irrational number. Which expression could represent a rational number?

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09-04-2022
Mathematics

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Let a represent a non zero rational number and let b represent an irrational number. Which expression could represent a rational number?

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joaobezerra joaobezerra · Answer 1 · 2022-04-22T11:23:05+02:00

The operation between a rational and a irrational number that results in a rational number is a multiplication, hence the expression ab could represent a rational number.

What are rational and irrational numbers?

If a number can be represented by a fraction, it is rational, otherwise, it is irrational.

The addition/subtraction of a rational and an irrational numbers is irrational, while the multiplication is rational, hence the expression ab could represent a rational number.

More can be learned about rational numbers at https://brainly.com/question/10814303