va rog urgent dau coroana....

Răspuns:
a)
[tex]=\frac{\sqrt{5^{4} }}{\sqrt{7^{2} }}= \frac{5^{2} }{7} =\frac{25}{7}[/tex]
b)
[tex]=\frac{\sqrt{1}}{\sqrt{3^{8} }}= \frac{1 }{3^{4} } =\frac{1}{81}[/tex]
c)
[tex]=\frac{\sqrt{10^{6} }}{\sqrt{2^{10} }}= \frac{10^{3} }{2^{5}} =\frac{1000}{32} =\frac{125}{4}[/tex]
d)
[tex]=\frac{\sqrt{7^{2} }}{\sqrt{3^{6} }}= \frac{7 }{3^{3} } =\frac{7}{27}[/tex]
e)
[tex]=\frac{\sqrt{8^{4} }}{\sqrt{5^{6} }}= \frac{8^{2} }{5^{3} } =\frac{64}{125}[/tex]
f)
[tex]=\frac{\sqrt{2^{12} }}{\sqrt{3^{10} }}= \frac{2^{6} }{3^{5} } =\frac{64}{243}[/tex]
Explicație pas cu pas: