Say we have a signal $x(t)$, then integral of $x(t)$ is the area under the curve. But integral of $x^2(t)$ is not simply square of that area!

Is there any way to graphically find integral of $x^2(t)$? For any $x(t)$.

  • $\begingroup$ You need to integrate, there is no shorter method imo $\endgroup$ – samjoe Nov 5 '17 at 3:39
  • $\begingroup$ No, I believe its impossible to do in general. $\endgroup$ – EzWin Nov 5 '17 at 6:12

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