Question

Classify the following numbers as rational or irrational: (ii)(3+ √23)− √ 23

Answer 1

Answer:

rational

Step-by-step explanation:

3+root23-root23

*cancelling + root23 and - root23

we get 3

3 is rational

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Answer 2

Answer:

3+

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

is a rational number.

Step-by-step explanation:

Since the final value is 3. Therefore the answer is that it is a rational number.$(3 + \sqrt{23} ) - \sqrt{23} \\ 3 + \sqrt{23} - \sqrt{23} \\ 3$