Question

Classify the result as rational or irrational:

$(3+\sqrt{23})-\sqrt{23}$.

• A. Rational number
• B. Irrational number
• C. Data Insufficient
• D. None of the above

Answer 1

The correct option is A Rational number

$(3+\sqrt{23})-\sqrt{23}\Rightarrow (3+\sqrt{23})-\sqrt{23}=3$ is a rational number.