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人気のある微分積分 >

(d^2)/(dx^2)(7cos(3x))

解

\frac{d ^{2}}{d x ^{2}} (7 cos (3 x))

解

- 63 cos (3 x)

解答ステップ

\frac{d ^{2}}{d x ^{2}} (7 cos (3 x))

\frac{d}{d x} (7 cos (3 x)) = - 21 sin (3 x)

= \frac{d}{d x} (- 21 sin (3 x))

\frac{d}{d x} (- 21 sin (3 x)) = - 63 cos (3 x)

= - 63 cos (3 x)

人気の例

derivative of 1-2x-3x^2

\frac{d}{d x} (1 - 2 x - 3 x^{2})

integral of 1/(x^2(9+x^2))

\int \frac{1}{x ^{2} ( 9 + x ^{2} )} d x

integral of 5/(x^2sqrt(x^2+4))

\int \frac{5}{x ^{2} x ^{2} + 4} d x

derivative \sqrt[6]{x}

d er i v a t i v e 6 x

(dy)/(dx)=-5sin(4x)

\frac{d y}{d x} = - 5 sin (4 x)