Zadanie 26
Oblicz:
a) \sqrt{3^{-2}}=\sqrt{\frac{1}{3^2}}=\frac{1}{3}
b)(\sqrt3)^{-2}=\frac{1}{(\sqrt3)^2}=\frac{1}{3}
c)\sqrt{(5)^{-4}}=\sqrt{((5)^{-2})^2}=5^{-2}=\frac{1}{5^2}=\frac{1}{25}=0,04
d)(\sqrt5)^{-4}=((\sqrt5)^{-2})^2=5^{-2}=\frac{1}{5^2}=\frac{1}{25}=0,04
e)\sqrt{6^{-8}}
f)\sqrt{(-6)^{-8}}
g)(\sqrt{11})^{-4}
h)\sqrt{11^{-4}}