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Q#1 LTI Systems GATE EE 2014 MCQ +1 mark -0.33 marks

x(t) is nonzero only for , and similarly, y(t) is nonzero only for . Let z(t) be convolution of x(t) and y(t). Which one of the following statements is TRUE?

z(t) can be nonzero over an unbounded interval.

z(t) is nonzero for .

z(t) is zero outside of .

z(t) is nonzero for

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