Question

if a and b are two sets such that number of elements in set A is 19 and that of the set B is 25 the no. of element in ( A u B) is 40 find the no. of element in ( A u B)' and (A n B )' if n(u)=50​

Answer 1

Step-by-step explanation:

Note the union and interesection cap formula then procees with the steps