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Q1. | The impulse response h(t) of a linear time-invariant continuous time system is described by h(t) = exp (at) u(t) + exp (βt) u (- t), where u(t) denotes the unit step function, and a and β are constants. This system is stable if |

A. | a is positive and β is positive [Wrong Answer] |

B. | a is negative and β is negative [Wrong Answer] |

C. | a is positive and β is negative [Wrong Answer] |

D. | a is negative and β is positive [Correct Answer] |

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Explanation:-
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