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ConceptOperations on Real Numbers

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#### Question

Classify the following numbers as rational or irrational :-

`(i) 2-sqrt5`

`(ii) (3+sqrt23)-sqrt23`

`(iii) (2sqrt7)/(7sqrt7)`

`(iv) 1/sqrt2`

`(v) 2π`

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Solution for concept: Operations on Real Numbers. For the course 8th-10th CBSE