If $F(s)$ is the Fourier transform of a function $F(x)$ . then the Fourier transform of $F(2x)$ is given by :
If $F(s)$ is the Fourier transform of a function $F(x)$ . then the Fourier transform of $F(2x)$ is given by :
1). $e^{2is}f(s)$
2). $\frac{1}{2}F\left(\frac{2}{s}\right)$
3). $F(s-2)$
4). $\frac{1}{2}F\left(\frac{s}{2}\right)$
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