

MCQOPTIONS
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1. |
The frequency of a continuous time signal x (t) changes on transformation from x (t) to x (α t), α > 0 by a factor$ |
A. | α |
B. | 1/α |
C. | α<sup>2</sup> |
D. | α |
Answer» B. 1/‚âà√≠¬¨¬± | |