EC > GATE 2025 > Fourier Series
Let f(t) be a periodic signal with fundamental period T0>0. Consider the signal y(t)=f(αt), where α>1. The Fourier series expansions of f(t) and y(t) are given by
Which of the following statements is/are TRUE?
A
ck=dk for all k
B
y(t) is periodic with a fundamental period αT0
C
ck=dk/α for all k
D
y(t) is periodic with a fundamental period T0

Correct : d

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