Which one of the following is correct for parseval equality ?
1
\(\rm \displaystyle\int_{-\infty}^{+\infty} |x(t)|^2 dt = \frac{1}{2\pi} \displaystyle\int_{-\infty}^{+\infty}|X(j\omega)|^2 d\omega\)
2
\(\rm \displaystyle\int_{-\infty}^{+\infty} |x(t)|^2 dt = \frac{1}{2\pi} \displaystyle\int_{0}^{+\infty}|X(j\omega)|^{1/2} d\omega\)
3
\(\rm \displaystyle\int_{-\infty}^{+\infty} |x(t)|^2 dt = \frac{1}{\pi} \displaystyle\int_{0}^{+\infty}|X(j\omega)|^{1/2}d\omega\)
4
\(\rm \displaystyle\int_{-\infty}^{+\infty} |x(t)|^2 dt = \frac{4}{3\pi} \displaystyle\int_{-\infty}^{+\infty}|X(j\omega)|^2 d\omega\)