By using properties of determinants. Sho...

By using properties of determinants. Show that:
(i) `|[1,a, a^2],[ 1,b,b^2],[ 1,c,c^2]|=(a-b)(b-c)(c-a)`
(ii) `|[1, 1, 1],[a, b, c],[ a^3,b^3,c^3]|=(a-b)(b-c)(c-a)(a+b+c)`

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