johnson3741 johnson3741
  • 22-11-2014
  • Mathematics
Answered

Find A intersection B.
A: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
B: {-2, -1, 1, 4, 7, 11}

Multiply choice:
A. {-2,-1,1,2,3,4,5,67,8,9,10,11}
B. {1,4,7,11}
C. {-2,-1,1,2,3,4,5,6}
D. {}



Answer :

Ambro
Ambro Ambro
  • 22-11-2014
A: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
B: {-2, -1, 1, 4, 7, 11}

A ∩ B = {1, 4, 7, 11}

So the answer is B.

Intersection of two or more sets cointains only common elements.
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