What is the formula to compute the transitive closure of a graph?
A. tij(k) = tij(k-1) AND (tik(k-1) OR tkj(k-1))
B. tij(k) = tij(k-1) OR (tik(k-1) AND tkj(k-1))
C. tij(k) = tij(k-1) AND (tik(k-1) AND tkj(k-1))
D. tij(k) = tij(k-1) OR (tik(k-1) OR tkj(k-1))
Answer: Option B

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