For Σ = {a,b} the regular expression r = (aa)*(bb)*b denotes

1.	For Σ = {a,b} the regular expression r = (aa)(bb)b denotes
A.	Set of strings with 2 a’s and 2 b’s
B.	Set of strings with 2 a’s 2 b’s followed by b
C.	Set of strings with 2 a’s followed by b’s which is a multiple of 3
D.	Set of strings with even number of a’s followed by odd number of b’s
Answer» E.

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For Σ = {a,b} the regular expression r = (aa)*(bb)*b denotes

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For Σ = {a,b} the regular expression r = (aa)(bb)b denotes