Set
Fight-angled, this collection is well-defined. Hence
Problem-2 : Rewrite the following sets in Roster form:
(a) A = {x: x = 5n, nel and -3 sn <2}
(b) B = {x: x = 2p - 1. pe N and p < 7}
(c) C = {x Xe W, 2x - 3 < 8}
(d) D = {x : xe 2 - 7< 3x + 2 < 5}
(e) E = {x : X + Z, x2 < 20}
n
() F= {x: X= and 1 sns3, when ne N)
n +1
(h) H = {x: x2 – X-6 = 0 and xe N}
(9) G = {x:x is a factor of 48}
Solution :
(a) A = {-15, -10,-5, 0, 5)
(c) C = {0, 1, 2, 3, 4, 5)
-
(e) E= {-4, -3, -2, -1, 0, 1, 2, 3,4}
(9) G = {1, 2, 3, 4, 5, 6, 8, 12, 16, 24, 48}
(b) B = {1, 3, 5, 7, 9, 11, 13}
(d) D = (-3, -2, -1, 0}
1 2 3
2'5'10
(h) H = {3}
(1) F=
9
1
Drobi
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