3) Examine, whether the following numbers are rational or irrational :
1) √7
2) √4
3) 2+ √3
4) √3+√2
5) √3+√5
6) (√2-2)²
7) (2-√2)(2+√2)
8) (√2+√3)²
9) √5-2
10) √23
11) √225
12) 0.3796
13) 7.478478
14) 3) Examine, whether the following numbers are rational or irrational :
1) √7
2) √4
3) 2+ √3
4) √3+√2
5) √3+√5
6) (√2-2)²
7) (2-√2)(2+√2)
8) (√2+√3)²
9) √5-2
10) √23
11) √225
12) 0.3796
13) 7.478478
14) 1.101001000100001
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1 irrational 2 rational 3 irrational 4 irrational 5 irrational 6,7,8 rational 9,10 irrational 11,12,13 are rational 14 irrational.
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