Question

A={3,6,9,12,15,18,21}
B={4,8,12,16,20}
C={2,4,6,8,10,12,14,16}
D={5,10,15,20}
FIND (I.) A-B
(ii.)A- C
(iii.) A-D
(iv.) B-A
(v.) C-A
(vi.) D-A
(vii.) B-C
(viii.) B-D
(ix.) C-B
(X.) D-B
(xi.) C-D
(xii.) D-C


spam=20 answer reported​

Answer 1

QUESTION⤵️

A={3,6,9,12,15,18,21}

B={4,8,12,16,20}

C={2,4,6,8,10,12,14,16}

D={5,10,15,20}

FIND (I.) A-B

(ii.)A- C

(iii.) A-D

(iv.) B-A

(v.) C-A

(vi.) D-A

(vii.) B-C

(viii.) B-D

(ix.) C-B

(X.) D-B

(xi.) C-D

(xii.) D-C

ANSWER⤵️

A-B= {3,6,9,15,18,21}

A-C= {3,9,15,18,21}

A-D= {3,6,9,12,18,21}

B-A= {4,8,16,20}

C-A= {2,4,8,10,14,16}

D-A= {5,10,20}

B-C= {20}

B-D= {4,8,12,16}

C-B= {2,6,10,14}

D-B= {5,10,15}

C-D= {2,4,6,8,14,16}

D-C= { 5,10,20}

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Answer 2

QUESTION⤵️

A={3,6,9,12,15,18,21}

B={4,8,12,16,20}

C={2,4,6,8,10,12,14,16}

D={5,10,15,20}

FIND (I.) A-B

(ii.)A- C

(iii.) A-D

(iv.) B-A

(v.) C-A

(vi.) D-A

(vii.) B-C

(viii.) B-D

(ix.) C-B

(X.) D-B

(xi.) C-D

(xii.) D-C

ANSWER⤵️

A-B= {3,6,9,15,18,21}

A-C= {3,9,15,18,21}

A-D= {3,6,9,12,18,21}

B-A= {4,8,16,20}

C-A= {2,4,8,10,14,16}

D-A= {5,10,20}

B-C= {20}

B-D= {4,8,12,16}

C-B= {2,6,10,14}

D-B= {5,10,15}

C-D= {2,4,6,8,14,16}

D-C= { 5,10,20}