Question

Soluția corecta a expresie din poza

Answer 1

Răspuns:

$\sqrt[n-1]{\frac{a}{\sqrt[n]{a} } } =(\frac{a}{a^{1/n} } )^{1/(n-1)} = (a^{1-1/n} )^{1/(n-1)} = a^{(n-1)/n} *^{1/(n-1)} = a^{1/n} = \sqrt[n]{a}$ (C)