Question

4 supra 5 totul la puterea 0 +4supra 5 totul la puterea -1 -radical 25supra 26

Answer 1

$(\frac{4}{5})^0+(\frac{4}{5})^{-1}- \frac{ \sqrt{25} }{26} =1+ \frac{5}{4} - \frac{5}{26}= \frac{104+130-20}{104}= \frac{214}{104}= \frac{107}{52}$
$(\frac{1}{\frac{4}{5}})=1:\frac{4}{5}=1* \frac{5}{4} =\frac{5}{4}$