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If f(x) g(x) and h(x) are three polynomi...

If f(x) g(x) and h(x) are three polynomials of degree 2 and `Delta` = `|( f(x), g(x), h(x)), (f'(x), g'(x), h'(x)), (f''(x), g''(x), h''(x))|` then `Delta(x)` is a polynomial of degree (dashes denote the differentiation).

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