If M1 and M2 are 2 TM’s such that L(M1) = L(M2) , then which of the following conditions are true?

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(a) On every input on which M1, doesn’t halt, M2 doesn’t halt. (b) On every i/p on which M1 halts, M2 halts too. (c) On every i/p which M1 accepts, M2 halts.

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