Question

simplifica fractia urmatoare pana devine fractie ireductibila


5 la puterea 21 supra -5la puterea 20 supra 5 la puterea 21

Answer 1

$\frac{ x^{21} - x^{20} }{x^{21}} = \frac{x^{20}(x - 1)}{x^{21}} = \frac{x-1}{x}$