Question

❤Hey Beautiful People..

Todays Question :-

If ,
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}

Then find

(1) A - B
(2) A - C
(3) A - D
(4) B - A
(5) C - A
(6) D - A
(7) B - C
(8) B - D
(9) C - B
(10)D - B​

Answer 1

            ༒ Qυєѕтiσи ༒

╔════════◄••❀••►════════╗

If ,

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}

Then find

(1) A - B

(2) A - C

(3) A - D

(4) B - A

(5) C - A

(6) D - A

(7) B - C

(8) B - D

(9) C - B

(10) D - B

╚════════◄••❀••►════════╝

            ★彡 Sσℓυтiσи 彡★

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Given sets are :-

• 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}

① A - B :-

= {3, 6, 9, 12, 15, 18, 21} - {4, 8, 12, 16, 20}

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

② A - C :-

= {3, 6, 9, 12, 15, 18, 21} - {2,4, 6, 8, 10, 12, 14, 16}

= {3, 9, 15, 18, 21}

③ A - D :-

= {3, 6, 9, 12, 15, 18, 21} - {5, 10, 15, 20}

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

④ B - A :-

= {4, 8, 12, 16, 20} - {3, 6, 9, 12, 15, 18, 21}

= {4, 8, 16, 20}

⑤ C - A :-

= {2,4, 6, 8, 10, 12, 14, 16} - {3, 6, 9, 12, 15, 18, 21}

= {2, 4, 8, 10, 14, 16}

⑥ D - A :-

= {5, 10, 15, 20} - {3, 6, 9, 12, 15, 18, 21}

= {5, 10, 20}

⑦ B - C :-

= {4, 8, 12, 16, 20} - {2,4, 6, 8, 10, 12, 14, 16}

= {20}

⑧ B - D :-

= {4, 8, 12, 16, 20} - {5, 10, 15, 20}

= {4, 8, 12, 16}

⑨ C - B :-

= {2,4, 6, 8, 10, 12, 14, 16} - {4, 8, 12, 16, 20}

= {2, 6, 10, 14}

(10) D - B :-

= {5, 10, 15, 20} - {4, 8, 12, 16, 20}

= {5, 10, 15}

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