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If and , then the value of is:
If $P(A) = \frac{1}{2}, P(B) = \frac{1}{3}$ and $P(A \cup B) = \frac{2}{3}$, then the value of $P(A|B) + P(B|A)$ is:
- (a)$\frac{5}{12}$
- (b)$\frac{7}{12}$
- (c)$\frac{5}{6}$
- (d)$\frac{1}{3}$
Answer
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From ISC 2025 Improvement Mathematics Paper 1, question 1(ix).