a)
[tex] \sqrt{108} = \sqrt{36 \times 3} = 6 \sqrt{3} [/tex]
b)
[tex] \sqrt{1250} = \sqrt{625 \times 2} = 25 \sqrt{2} [/tex]
c)
[tex] \sqrt{486} = \sqrt{81 \times 6} = 9 \sqrt{6} [/tex]
d)
[tex] \sqrt[3]{375} = \sqrt[3]{125 \times 3} = 5 \sqrt[3]{3} [/tex]
e)
[tex] \sqrt[3]{1250} = \sqrt[3]{125 \times 10} = 5 \sqrt[3]{10} [/tex]
f)
[tex] \sqrt[3]{875} = \sqrt[3]{125 \times 7} = 5 \sqrt[3]{7} [/tex]