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What language does this CFG generate: S->XaXaX, X->aX|bX|null a. (a+b)* b. a(a+b)*a c. (a+b)*aa(a+b)* d. (a+b)*a(a+b)*a(a+b)*
What language does this CFG generate: S->XaXaX, X->aX|bX|null
a. (a+b)*
b. a(a+b)*a
c. (a+b)*aa(a+b)*
d. (a+b)*a(a+b)*a(a+b)*
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