| Line 6: | Line 6: | ||
<math>E=\int_{1}^{3}\ |x ^2|^2\, dx , \,\!</math> | <math>E=\int_{1}^{3}\ |x ^2|^2\, dx , \,\!</math> | ||
| − | + | <math>E=\int_{1}^{3}\ x ^4\, dx , \,\!</math> | |
| − | + | <math>E=\frac{1}{5}\!</math> *<math>((3^5)\!</math> - <math>(1^5))\!</math> | |
| − | + | <math>E=\frac{1}{5}\!</math>*<math>(243-1)\!</math> | |
| − | + | <math>E=48.4\!</math> | |
Revision as of 17:07, 5 September 2008
Energy and Power
$ x(t)=x^2\! $
and the limits are from 1 to 3
Energy calculation
$ E=\int_{1}^{3}\ |x ^2|^2\, dx , \,\! $
$ E=\int_{1}^{3}\ x ^4\, dx , \,\! $ $ E=\frac{1}{5}\! $ *$ ((3^5)\! $ - $ (1^5))\! $ $ E=\frac{1}{5}\! $*$ (243-1)\! $ $ E=48.4\! $
