Question

Classify the following numbers as rational or irrational:1) 2-√5(2) (3 +√23) - 23 (ii)2√7/7√7​ 4. 1/root2

Answer 1

Classify the following numbers as rational or irrational:1) 2-√5(2) (3 +√23) - 23 (ii)2√7/7√7​ 4. 1/root2

Step-by-step explanation:

2-√5 is an irrational number

3+√23-√23 = 3  is a rational number

2×√7/7√7 = 2×7/7 = 2  is a rational number

1/√2 is an irrational number

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