Question

Let A and B be two subsets of U such that n (A)=7, n (B)=5, n (A intersection B)=0 and n [(AUB)]'=4. find. a: n(A'UB') ​

Answer 1

Answer:

rferrrrrrrrrrrrrrfrerftghtgrfder

Step-by-step expdcfcfcfvcrevfevfevrflanation:

rfvrvrvcrfgrfrwfrfrfrfrfrfrf