Question

Which of the following numbers are irrational?

Answer 1

The number are 1/4 π and $\sqrt[3]{9}$ are irrational number.

It is required to choose the numbers are irrational.

What is real number?

Real numbers are numbers that include both rational and irrational numbers. Rational numbers such as integers (-2, 0, 1), fractions(1/2, 2.5) and irrational numbers such as √3, π(22/7), etc., are all real numbers.

Given that:

The given option are

-2.3456 =-23456/10000

since, -2.3456 can be represented as rational numbers.

π is an infinite decimal, so it cannot be expressed as a rational number.  

So, 1/4 π is irrational number.

$\sqrt[3]{9}$ is an irrational number.

2 + √16=2+4= 6 is a rational number.

Therefore, the number are 1/4 π and $\sqrt[3]{9}$ are irrational number.

Learn more about real number here:

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