Question

if a = set of 3,6,9,12, 15,18,21 , b= set of 4,8,12,16,20 then a intersection b​

Answer 1

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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}; 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

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Solution To Question ID 419062

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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}

(i) A−B={3,6,9,15,18,21}

(ii) A−C={3,9,15,18,21}

(iii) A−D={3,6,9,12,18,21}

(iv) B−A={4,8,16,20}

(v) C−A={2,4,8,10,14,16}

(vi) D−A={5,10,20}

(vii) B−C={20}

(viii) B−D={4,8,12,16}

(ix) C−B={2,6,10,14}

(x) D−B={5,10,15}

(xi) C−D={2,4,6,8,12,14,16}

(xii) D−C={5,15,20}

Answer 2

Answer:

a intersection b = 12

Step-by-step explanation:

a intersection b means that dono mein jo same ho