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Q#1 Fourier Series GATE EC 2015 MCQ +1 mark -0.33 marks

The magnitude and phase of the complex Fourier series coefficients  of a periodic signal x(t) are shown in the figure. Choose the correct statement from the four choices given. Notation: C is the set of complex numbers, R is the set of purely real numbers, and P is the set of purely imaginary numbers         

Q5-1.jpg

The information given is not sufficient to draw any conclusion about x(t)

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