Question

IfA= {4, 5, 6, 7}and B = {a, e, i, o, u} then find n(A) + n(B).​

Answer 1

Explanation:

Given that,

A={4,5,6,7}

B={a,e,i,o,u}

n(A) is nothing but number of elements in set A=4

n(B) is number of elements in set B=5

n(A)+n(B) =4 + 5

=9

I hope this answer will helps you.