$ E = \int_{t1}^{t2} \left | \frac{x}{1} \right |\ ^2 dx $
f(x) \,\!</math> $ = \sum_{n=0}^\inf a_n x^n $
$ = \left | \frac{a}{b} \right | $
$ E = \int_{t1}^{t2} \left | \frac{x}{1} \right |\ ^2 dx $
f(x) \,\!</math> $ = \sum_{n=0}^\inf a_n x^n $
$ = \left | \frac{a}{b} \right | $