A periodic signal x(t) has a trigonometric Fourier series expansion\(x\left( t \right) = {a_0} + \mathop \sum \limits_{n = 1}^\infty ({a_n}\;cos\;n\;{\omega _0}t + {b_n}\sin n\;{\omega _0}t)\)If x(t) = -x (- t) = -x (t - π/ω0), we can conclude that

an are zero for all n and bn are zero for n odd

an are zero for all n and bn are zero for n even

an are zero for n even and bn are zero for n odd

an are zero for n odd and bn are zero for n even

A periodic signal x(t) has a trigonometric Fourier series expansion\(x

1.	A periodic signal x(t) has a trigonometric Fourier series expansion\(x\left( t \right) = {a_0} + \mathop \sum \limits_{n = 1}^\infty ({a_n}\;cos\;n\;{\omega _0}t + {b_n}\sin n\;{\omega _0}t)\)If x(t) = -x (- t) = -x (t - π/ω0), we can conclude that
A.	an are zero for all n and bn are zero for n even
B.	an are zero for all n and bn are zero for n odd
C.	an are zero for n even and bn are zero for n odd
D.	an are zero for n odd and bn are zero for n even
Answer» B. an are zero for all n and bn are zero for n odd

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A periodic signal x(t) has a trigonometric Fourier series expansion\(x\left( t \right) = {a_0} + \mathop \sum \limits_{n = 1}^\infty ({a_n}\;cos\;n\;{\omega _0}t + {b_n}\sin n\;{\omega _0}t)\)If x(t) = -x (- t) = -x (t - π/ω0), we can conclude that

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