Question

Two sets A and B are such that n(AuB) =21 n(A) =10 n(B) = 15 find n(AnB) and n(A-B) please help me please​

Answer 1

Answer:

two sets

Step-by-step explanation:

A nd B are suchhh that n (AuB) = 21 n (A)

= 10 n (B) = 15 .........find n (AnB) nd (A-B)

Answer 2

Answer:

i already have im Just wasting time I already have okay