EC > GATE 2015 SET-2 > Signals and Systems
Let x(t) = α s(t) + s(−t) with s(t) = β e−4tu(t), where u(t) is unit step function. If the bilateral Laplace transform of x(t) is X(s) = 16⁄s2−16, −4 < Re{s} < 4, then the value of α − β is __________.
Explanation
Correct : -2
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