Question

Simplificati urmatoarele fractii pana devin ireductibile: a) 5 la puterea 21 supra 5 la putera 23 si b) 9 la puterea 17 supra 27 la puterea 12 ( Va roog imediat)

Answer 1

a) $\frac{5 ^{21} }{5 ^{23} }$ simplificam prin 5²¹ obtinem $\frac{1}{5^{2} } = \frac{1}{25}$
b) $\frac{9^{17} }{27 ^{12} }$ =$\frac{9^{17} }{9^{24} }$ simplificam prin 9¹⁷ obtinem $\frac{1}{9^{7} }$