What is (d^2)/(dx^2)(9xsin(x^2)) ?

The answer to (d^2)/(dx^2)(9xsin(x^2)) is 9(6xcos(x^2)-4x^3sin(x^2))

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(d^2)/(dx^2)(9xsin(x^2))

\frac{d ^{2}}{d x ^{2}} (9 x sin (x^{2}))

9 (6 x cos (x^{2}) - 4 x^{3} sin (x^{2}))

Solution steps

\frac{d ^{2}}{d x ^{2}} (9 x sin (x^{2}))

\frac{d}{d x} (9 x sin (x^{2})) = 9 (sin (x^{2}) + 2 x^{2} cos (x^{2}))

= \frac{d}{d x} (9 (sin (x^{2}) + 2 x^{2} cos (x^{2})))

\frac{d}{d x} (9 (sin (x^{2}) + 2 x^{2} cos (x^{2}))) = 9 (6 x cos (x^{2}) - 4 x^{3} sin (x^{2}))

= 9 (6 x cos (x^{2}) - 4 x^{3} sin (x^{2}))

\frac{\partial}{\partial x} (2 x + 1)

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\int_{1}^{2} 2 r^{2} ln (r) d r

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What is (d^2)/(dx^2)(9xsin(x^2)) ?
The answer to (d^2)/(dx^2)(9xsin(x^2)) is 9(6xcos(x^2)-4x^3sin(x^2))