What is the energy of a discrete time signal in terms of X(ω)?

• A. \(2π\int_{-π}^π |X(ω)|^2 dω\)
• B. \(\frac{1}{2π} \int_{-π}^π |X(ω)|^2 dω\)
• C. \(\frac{1}{2π} \int_0^π |X(ω)|^2 dω\)
• D. None of the mentioned