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Mathematics
OpenStudy (anonymous):

find the intersection: {3,6,7,11} n {5,6,9,13}

OpenStudy (anonymous):

i really dont remember how to find an intersection.. can anyone help??

OpenStudy (anonymous):

The intersection of two sets is the elements which are common to both the sets. So the intersection is {6} as 6 is an element present in both the sets. No other elements are present in both the sets. Hope you understand. If you have done Venn diagrams, you can refer http://www.onlinemathlearning.com/intersection-of-two-sets.html for better understanding. :)

OpenStudy (anonymous):

Ignore the last comment. My bad

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