Question

If A{3,5,7,9,11} B{7,9,11,13} C{11,13,15} D{15,17} So find---- A intersection B intersection C​

Answer 1

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Answer 2

Answer:

we know, if two sets A and B are given then, intersection of A and B is the set of all distinct elements that are in both A and B. it is denoted by  or . in figure, shaded region indicates .

and A union B is the set of all distinct elements that are in Both A or B. it is denoted by . in 2nd figure, it is clearly shown.

now come to the question,

here given, A= {3, 5, 7, 9, 11}, B={7, 9, 11, 13 }, C={11, 13, 15} and D={15, 17 }.

we have to find

first we have to find

so,  = {7, 9, 11, 13} U {11, 13, 15}

= { 7, 9, 11, 13, 15}

now,  = {3, 4, 7, 9, 11}  {7, 9, 11, 13, 15}

= {7, 9, 11}

Step-by-step explanation: