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5. Ex plain why the following pairs of regular expressions define the same language over the alphabet 2-sa, by (a) (ba)'b and b(ab)' (b) (aa

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5. Ex plain why the following pairs of regular expressions define the same language over the alphabet 2-sa, by (a) (ba)'b and b(ab)' (b) (aa bb)* and A+a(a +b)'b

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