What is (d^2)/(dx^2)(x^2cos(x)) ?

The answer to (d^2)/(dx^2)(x^2cos(x)) is 2cos(x)-4xsin(x)-x^2cos(x)

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

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

2 cos (x) - 4 x sin (x) - x^{2} cos (x)

Solution steps

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

\frac{d}{d x} (x^{2} cos (x)) = 2 x cos (x) - x^{2} sin (x)

= \frac{d}{d x} (2 x cos (x) - x^{2} sin (x))

\frac{d}{d x} (2 x cos (x) - x^{2} sin (x)) = 2 cos (x) - 4 x sin (x) - x^{2} cos (x)

= 2 cos (x) - 4 x sin (x) - x^{2} cos (x)

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

\int_{1}^{5} \frac{1}{x - 2} d x

n = 1 \sum \infty \frac{n}{1 + 3 n}

n = 1 \sum \infty \frac{1}{n ^{0.5}}

\frac{d}{d t} (4 e^{- 3 t})

What is (d^2)/(dx^2)(x^2cos(x)) ?
The answer to (d^2)/(dx^2)(x^2cos(x)) is 2cos(x)-4xsin(x)-x^2cos(x)