Determine whether sqrt(72) is a rational number or an irrational number.
Note
sqrt(72) = sqrt(36 × 2) = 6√2 and since √2 is irrational, 6√2 is irrational; therefore sqrt(72) is irrational.
Determine whether sqrt(72) is a rational number or an irrational number.
sqrt(72) = sqrt(36 × 2) = 6√2 and since √2 is irrational, 6√2 is irrational; therefore sqrt(72) is irrational.