Question

ajutațima la acest ex dau coroana promit!!!​

Answer 1

Răspuns:

Bună,

$( \frac{7}{8} )^{ - 1} = \frac{8}{7}$

$( - \frac{6}{11} )^{ - 2} = ( - \frac{11}{6} )^{2} = \frac{121}{36}$

$( - \frac{3}{2} )^{ - 4} = ( \frac{2}{3}) ^{4} = \frac{16}{81}$

Sper că te-am ajutat.

Answer 2

•

$( + \frac{7}{8} ) ^{ - 1} = \frac{8}{7}$

•

$( - \frac{6}{11} ) ^{ - 2} = ( - \frac{11}{6} ) ^{2} = \frac{121}{36}$

•

$( - \frac{3}{2} ) ^{ - 4} = ( - \frac{2}{3} ) ^{ 4} = \frac{16}{81}$