classify the following numbers as ration or irrational a.4-2√3 b.(√2+1)+(√2-1) c.(√5+1) (√5-1)
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classify the following numbers as ration or irrational a.4-2√3 b.(√2+1)+(√2-1) c.(√5+1) (√5-1)
....
..
thanks for giving me thanks
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Step-by-step explanation:
(i) 2−5:
Since 5 is an irrational number, 2−5 is also an irrational number.
(ii) (3+23)−23:
(3+23)−23 =3+23−23=3, which is a rational number.
(iii) 7727=72:
7727=72, which is a rational number.
(iv) 21:
Since 2 is an irrational number, 21, which is also an irrational number.
Answer:
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