a)
[tex](\frac{2}{5} )^{2} = \frac{2^{2} }{5^{2} } =\frac{4}{25}[/tex] < [tex]\frac{2^{2} }{5} =\frac{4}{5}[/tex]
b)
[tex](\frac{1}{7}) ^{2} =\frac{1^{2} }{7^{2}} =\frac{1}{49}[/tex] > [tex]\frac{2}{7^{7} }=\frac{2}{823543}[/tex]
c)
[tex]\frac{-2^{6} }{3^{6} }=\frac{64}{729}[/tex] = [tex](-\frac{2}{3})^{6}=\frac{64}{729}[/tex]
d)
[tex]\frac{-2^{9} }{-9^{9} }=\frac{2^{9} }{9^{9} }=\frac{512}{387420489}[/tex] > [tex](-\frac{2}{9})^{9}=-\frac{512}{387420489}[/tex]
mam nadzieję, że pomogłam ♥️
