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\begin{matrix} 0 & 0 & 1 \\ a - b & b - c & c \\ a^{2} - b^{2} & b^{2} - c^{2} & c^{2} \end{matrix}

(a-b)(b-c)(c-a)

(b-a)(b-c)(c-a)

(a-b)(c-b)(c-a)

(a-b)(b-c)(a-c)

ANS : 1

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