is an irrational number.

Foundation

Mathematics Foundation

Properties of Real Number

Irrational Number

Rationalisation

Question

$2 - \sqrt{3}$ is an irrational number.

True

False

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We know that 2 is a rational number and $\sqrt{3}$ is an irrational number.
Also difference between rational and irrational number is always irrational number.
So that $(2 - \sqrt{3})$ is an irrational number.

hence option A is correct.