Examine whether the following number is rational or irrational. .

Foundation

Mathematics Foundation

Properties of Real Number

Irrational Number

Rational Numbers

Question

Examine whether the following number is rational or irrational. $3 + \sqrt{3}$ .

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We know that the sum of rational and irrational number is an irrational number.
Thus, $3 + \sqrt{3}$ is an irrational number.