Question

4.IfA= (1,2,3,4), B=(3,4,5,6), C = (5.6.7.8) and D = (7,8,9,10): find

(i) AUB
(ii) AUC
(iii) BUC
(iv) BUD
(v)AUBUC
(vi)AUBUD
(vii) BUCUD​

Answer 1

Answer:

refer to attachment.

Step-by-step explanation:

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Answer 2

Answer:

(i) A U B = {1,2,3,4,5,6}

(ii) A U C = {1,2,3,4,5,6,7,8}

(iii) B U C = {3,4,5,6,7,8}

(iv) B U D = {3,4,5,6,7,8,9,10}

(v) A U B U C = {1,2,3,4,5,6,7,8}

(vi) A U B U D = {1,2,3,4,5,6,7,8,9,10}

(vii) B U C U D = {3,4,5,6,7,8,9,10}

Step-by-step explanation:

Here, U stands for union sign. It means to unite two sets excluding the digits that are given twice taking only once.

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