Question

answer this question class 11​

Answer 1

Answer:

4

Step-by-step explanation:

here

let's assume U= a,b,c,d,e,f,g,h,i

A=a,b,c,d,e,,f,g

B=e,f,g,h,i

therefore, n(A)=7

n(A^B)=3. [that is e,f,g]

therefore, n(A^B)'= 6. [ that's a,b,c,d,h,I]

therefore, n[(A^B)'^A]. =. 4.

[thats a,b,c,d]