Question

6. Let U = (1, 2, 3, 4, 5, 6, 7), A = {1, 2, 3, 4) and B = {4, 5, 6, 7).
Find : (i) AUB' (ii) A' UB (iii) AnB'
(iv) A'nB



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Answer 1

Step-by-step explanation:

a union B equal 12345678 a inter section B equals to zero

Answer 2

Answer:

{1,2,3,4}/{4,5,6,7}\{1,2,3}\{5,6,7}

Step-by-step explanation:

(I) AUB'

B'=(U-B) ={1,2,3}

{1,2,3,4}U{1,2,3}

{1,2,3,4}

(II) A'UB

{5,6,7}U{4,5,6,7}

{4,5,6,7}

(III) AnB'

{1,2,3,4}n{1,2,3}

{1,2,3}

(IV) A'nB

{5,6,7}n{4,5,6,7}

{5,6,7}