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Emily Thompson:

$ x(t)=\sqrt(5t) $


$ E\infty $


$ E\infty=\int_{-\infty}^\infty |x(t)|^2dt $

$ E\infty=\int_{-\infty}^\infty |\sqrt(5t)|^2dt $

$ E\infty=\int_{-\infty}^\infty |5t|dt $

$ E\infty=|\frac{5}{2}*t^2|_{-\infty}^{\infty} $

$ E\infty= \infty-\infty $

$ E\infty=0 $


Compute $ P\infty $


$ P\infty=\lim_{T \to \infty}\frac{1}{2*T}\int_{-T}^T |x(t)|^2dt $

$ P\infty=\lim_{T \to \infty}\frac{1}{2*T}\int_{-T}^T |\sqrt(5t)|^2dt $

$ P\infty=\lim_{T \to \infty}\frac{1}{2*T}\int_{-T}^T|5t|dt $

$ P\infty=\lim_{T \to \infty}\frac{\frac{5}{2}*|t^2|_{-T }^{T}}{2*T} $

$ P\infty=\lim_{T \to \infty}\frac{T^2-(-T)^2}{2*T } $

$ P\infty=0 $

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