Question

What is the difference between a*+b* and (a+b)* ?

Comments

a*+b* is epsilon , stream of a(a,aa,aaaa,aaaaaa) or stream of b(b,bb,bbb,bbbb)

(a+b)* is everything in ab has to offer

Answer 1

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Answer 2

its not hard to see the difference , a* + b* denotes the union of two individual language ( a* , b*) while (a + b)*  denotes the complete language ( all the strings that can be formed on the alphabet {a,b} )