Question

Let A = {h,i,j,k,l} and B = {h.j,l,m,n}. Find n(A U B).
A. 3
B. 10
C. 2
D. 7

Answer 1

answer is D

Explanation:

A={h,I,j,k l} and B={h,j,l m,n}

n(A U B)={h,I,j,k,l,m,n }

number is 7