And As the spectrum of the discrete time signal, this exact spectrum will periodically repeat if we prolonged the frequency increased over and above $f_s$ these kinds of which the spectrum proven is additionally the identical spectrum in each frequency band from $nf_s$ to $(n+1)f_s$ for virtually any integer $n$. https://pginsector14gurugram.blogspot.com/2025/07/book-affordable-1-rk-for-rent-in.html