Two events A,BA, BA,B are independent. P(A)=0.5,P(B)=0.2P(A)=0.5, P(B)=0.2P(A)=0.5,P(B)=0.2. What is P(A∣A∪B)P(A | A \cup B)P(A∣A∪B)?
56\frac{5}{6}65
12\frac{1}{2}21
23\frac{2}{3}32
35\frac{3}{5}53