Question

3. Which of the following sets are equal?
(i) A = {x : x € N, 1< x <3) and
B = {x : x is prime, x is even).
(ii) C = {x : XE W, x < 8) and
D = {x : x E N, x < 9).
(iii) E = {x : x € N, x is odd, x < 6} and
F = {x : x E N, x is a factor of 15, x < 15).
(iv) G = {x : x is a prime factor of 12) and
H = {x : x is prime, x < 4}.
(U) $ and {0}
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Answer 1

Answer:

(i) A = {6, 7, 8, 9}

A = {x | x ∈ N and 5 < x < 10}

(ii) B = {a, e, i, o, u}

B = {y | y is vowel of English alphabet}