An extended basic block is a sequence of blocks B I, … • BA such [hat for I ; ≤  k ≤, B, is the only predecessor of B; + I. and B 1 does (lot have a unique predecessor. Find the extended basic block ending at each node in a) Fig. 10.39,

b) the flow graph constructed in Exercise 10. I(c),

c) fig. 10.74.