Inactive Tutor answered 08/12/22
IF you mean B intersection C
then the answer is {2,4,6,8,10}
the intersection includes all elements that appear in both B and C
only 2,4,6. 8 and 10 appear in both B and C
Usual notation or symbol for "intersection" of two sets is an upside down U
but a lot of keyboards don't have one such as mine. so, some people use "n" and if you have your cap key on it shows up as N. but "n" does look more like an upside down "u" than the "N" does.
some people use "^" for intersection