railway RRB JE (CBT I + CBT II) Mock Test 2024 Signals and Systems Fourier Series Properties of Fourier Series
Fourier series of any periodic signal x(t) can be obtained if
1. \(\mathop \smallint \limits_0^T \left| {x\left( t \right)} \right|dt < \infty \)
2. A finite number of discontinuities within finite time interval t
3. infinite number of discontinuities.
Select the correct answer using the codes given below:
1
1, 2 and 3
2
1 and 3 only
3
1 and 2
4
2 and 3 only