Answer
C ∩ ∅ = {} = ∅
Work Step by Step
C∩∅
U = {1,2,3,4,5,6,7}
C = {2,3,4,5,6}
The set C ∩ ∅ represents the elements which are common in both C and ∅
(∅ represent empty set).
Therefore the common elements of C and ∅ is an empty set .
Therefore C ∩ ∅ = {} = ∅
