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Describe, in English, the languages defined by the following regular expressions: a) (a+b)*a(+bbbb) b) (a(a+bb)*)* c) (a(aa)*b(bb)*)* d) (b(bb)*)*(a(aa)*b(bb)*)* e) (b(bb)*)*(a(aa)*b(bb)*)*(a(aa)*)* f) ((a+b)a)*

Describe, in English, the languages defined by the following regular expressions: a) (a+b)*a(+bbbb)

b) (a(a+bb)*)*

c) (a(aa)*b(bb)*)*

d) (b(bb)*)*(a(aa)*b(bb)*)*

e) (b(bb)*)*(a(aa)*b(bb)*)*(a(aa)*)*

f) ((a+b)a)*

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