If U = x/x∈N, 1 ≤ x ≤ 12, A = 1, 4, 7, 10, B = 2, 4, 6, 7, 11, C = 3, 5, 8 9, 12. Write down the set A∩(B∪C).

Miscellaneous Exercise 5 (II) · Q99

Q. If U = {x/x\inN, 1 \leq x \leq 12}, A = {1, 4, 7, 10}, B = {2, 4, 6, 7, 11}, C = {3, 5, 8 9, 12}. Write down the set A\cap(B\cupC).

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$B\cup C = \{2,4,6,7,11\}\cup\{3,5,8,9,12\} = \{2,3,4,5,6,7,8,9,11,12\}$ . Now $A\cap(B\cup C) = \{1,4,7,10\}\cap\{2,3,4,5,6,7,8,9,11,12\}$ . Checking each element of A: 4 and 7 are present in $B\cup C$ ; …

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Q.If U = {x/x∈N, 1 ≤ x ≤ 12}, A = {1, 4, 7, 10}, B = {2, 4, 6, 7, 11}, C = {3, 5, 8 9, 12}. Write down the set A∩(B∪C).

Concept understanding — Intersection of Sets

Q.If U = {x/x∈N, 1 ≤ x ≤ 12}, A = {1, 4, 7, 10}, B = {2, 4, 6, 7, 11}, C = {3, 5, 8 9, 12}. Write down the set A∩(B∪C).

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