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Give regular expressions for the following languages: (a) w E 0, 1)* | w contains at least two 0's or exactly two 1's) (b) {w

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Give regular expressions for the following languages: (a) w E 0, 1)* | w contains at least two 0's or exactly two 1's) (b) {w {a, b)' I w has an even number of a's and even number of b's ) Note: the a's and b's can come in any order, so strings like abbbab should be accepted. (c) {w {a, b } * | w contains substring ba an even number of times)

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