Question

examine,whether the following numbers are in rational or irrational:
1) √5
2)√9
3)√45
4) (5-√2)(5+√2)
5) (√3+√2)I
6)√6-2​

Answer 1

Answer:

1 irrational

2 rational

3 irrational

4rational

5 irrational

6 irrational

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Answer 2

R-rational

IR-irrational

1 IR

2 R

3 IR