railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Signals and Systems Discrete Time Signals and Systems Elementary Discrete Time Signals
The integral \(\mathop \smallint \limits_{ - \infty }^\infty \delta \left( {t - \frac{\pi }{6}} \right)6\sin \left( t \right)~dt~\) evaluates to
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6
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1.5
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