If f(x), g(x), h(x) are polynomials in x...

If `f(x), g(x), h(x)` are polynomials in `x` of degree `2` If `F(x)=|[f,g,h],[f',g',h'],[ f'', g'', h'' ]|` then `F'(x)` is

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f(x). G(x) . h(x)

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If f_(r)(x), g_(r)(x), h_(r) (x), r=1, 2, 3 are polynomials in x such that f_(r)(a) = g_(r)(a) = h_(r) (a), r=1, 2, 3 and " "F(x) =|{:(f_(1)(x)" "f_(2)(x)" "f_(3)(x)),(g_(1)(x)" "g_(2)(x)" "g_(3)(x)),(h_(1)(x)" "h_(2)(x)" "h_(3)(x)):}| then F'(x) at x = a is ..... .

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