Regular Expression

Question

HI mates,

I know the expansion of (a+b)* = { epsilon, a,b, aa,ab,ba,bb .............}

then what will be the expansion of a* + b*...? .

will be equal as of (a+b)*...?

TIA

Comments

@Shivam Chauhan @Anu007

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no from first you cannot generate abababab which is generated by second

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So we cannot use b*ab*ab*a* for number of a's are atleast 2....because int his expression there is a flaw that ababab cannot be genrated

Answer 1

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Comments

hey , then what about (a* + b*)* = (a+b)* ?

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yes