a)What is the language denoted by the following Regular Expression R= (aa)* (bb)*b

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1 a)What is the language denoted by the following Regular Expression R= (aa)* (bb)*b 
b) What is the English language denoted by the following Regular Expression R= (k|b)* (k|bb). 

c. Draw a parse tree for the string bbabbbb using the Context Free Grammar:
  S → bSbb|A
  A → aA| E


d Draw a parse tree for the string ddadddd using the Contex Free Grammar 
  S → dSdd|P
  P → aP 3

e. Write a regular expression for each of the following sets of binary strings. Use only the basic operations. 

  a) begins with 1 and ends with a 1
  b) ends with 00
  c) contains at least three 1s

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