## Discussion Forum

Que. | Suppose M1 and M2 are two TM’s such that L(M1) = L(M2). Then |

a. | On every input on which M1 doesn’t halt, M2 doesn’t halt too |

b. | On every i/p on which M1 halts, M2 halts too |

c. | On every i/p which M1 accepts, M2 halts |

d. | None of above |

Answer:On every i/p which M1 accepts, M2 halts |