Question

If A = {x:x is a prime numbers Less than 20%
and B-{x:x isa whole numbers Less than 10}
Then verify, n (AUB)=n (A) +n (B)-n (ANB)​

Answer 1

Answer:

A={2,3,5,7,11,13,17,19}

B={1,3,5,7,9}

AnB={3,5,7,}

nAUB=n(A)+n(B)-n(AnB)

=8+5-3

=13-3

n(AuB) =10

is your ans hope it wil help you