- #1
Cyrus
- 3,238
- 17
Its true that if you integrate an exponential function from some time t0 to infinity it will converge to a finite value.
However, is the same true if it is multiplied by say t, t^2, t^3,t^n.
i.e. t*exp(-t) for example.
the exp is decaying to zero faaster than t is, so it goes to zero in the limit. But there are functions that decay to zero but their integral is not finite because the rate of decay is not *fast enough*.
Would the integral of exp multiplied by any power of t ALWAYs converge to a finite number?
However, is the same true if it is multiplied by say t, t^2, t^3,t^n.
i.e. t*exp(-t) for example.
the exp is decaying to zero faaster than t is, so it goes to zero in the limit. But there are functions that decay to zero but their integral is not finite because the rate of decay is not *fast enough*.
Would the integral of exp multiplied by any power of t ALWAYs converge to a finite number?