Question: d) R(S +T) = RS + RT. e) (R+S)T = RT + ST. f) (R)* = R. g) ( + R) = Rs. h) (RS)*

d) R(S +T) = RS + RT. e) (R+S)T = RT + ST. *f) (R*)* = R*. g) ( + R)* = Rs.

d) R(S +T) = RS + RT. e) (R+S)T = RT + ST. *f) (R*)* = R*. g) ( + R)* = Rs. h) (R*S*)* = (R+S)*. Exercise 3.4.1: Verify the following identities involving regular expressions. *a) R+S = S + R. b) (R+S) + T = R + (S +T). c) (RS)T = R(ST)

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Question: d) R(S +T) = RS + RT. e) (R+S)T = RT + ST. *f) (R*)* = R*. g) ( + R)* = Rs. h) (R*S*)*

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Question: d) R(S +T) = RS + RT. e) (R+S)T = RT + ST. f) (R)* = R. g) ( + R) = Rs. h) (RS)*