Class:- 11 PCMB Question / Subject:- Maths
Qn:- Please give the roster form of the set
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(i) In this question, we have to write the set of all x such that x is a perfect cube and 27 < x < 216. We know that,
1³ = 1
2³ = 8
3³ = 27
4³ = 64
5³ = 125
6³ = 216
Since only the cube of 4 and 5 is in required range, x will hold the values 64 and 125.
Required set will be :-
C = {64, 125}
(ii) In this question, we have to write set of all x such that x is an integer ( Z is a symbol for integers ) and -5 < x ≤ 2 .
Required set will be :-
D = {-4, -3, -2, -1, 0, 1, 2}
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https://brainly.in/question/41386309
https://brainly.in/question/18694263
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