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1) Describe the languages the following CFGs generate: a) S ? aX X ? aX | bX | ? b) S ? XaXaX X ?

1) Describe the languages the following CFGs generate: a) S ? aX X ? aX | bX | ? b) S ? XaXaX X ? aX | bX | ? c) S ? SS | XXX X ? aX | Xa | b

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