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Mathematics 21 Online
OpenStudy (anonymous):

If C = {integers divisible by 2 from 1 to 20} and D = {integers divisible by 6 from 1 to 25}, what is C ∩ D

OpenStudy (anonymous):

C intersection D would include those elements which occur in C and D both. So C= { 2.4,6,8,10,12,14,16,18,20} and D={6,12,18,24} so C intersection D =[ 6,12,18} Hope it makes sense.

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