$\"\"$

The expression is $\"\"$ .

The square root of $\"\"$ is not a perfect square and the decimal

(0.708203933) of the number is not repeating, so the number $\"\"$ is an irrational

number (I).

$\"\"$ Observe the Venn diagram:

$\"\"$ All irrational numbers (I) are real numbers (R). $\"\"$

$\"\"$

The number $\"\"$ belongs to I, and R. \ \