(d^3)/(dx^3)(2x^3-4x^2+2)

解答

\frac{d ^{3}}{d x ^{3}} (2 x^{3} - 4 x^{2} + 2)

12

求解步骤

\frac{d ^{3}}{d x ^{3}} (2 x^{3} - 4 x^{2} + 2)

\frac{d}{d x} (2 x^{3} - 4 x^{2} + 2) = 6 x^{2} - 8 x

= \frac{d ^{2}}{d x ^{2}} (6 x^{2} - 8 x)

\frac{d}{d x} (6 x^{2} - 8 x) = 12 x - 8

= \frac{d}{d x} (12 x - 8)

\frac{d}{d x} (12 x - 8) = 12

= 12

a re a x^{3} - 5 x, 4 x

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