What is (d^2)/(dx^2)(x^{8/9}+5x) ?

The answer to (d^2)/(dx^2)(x^{8/9}+5x) is -8/(81x^{10/9)}

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(d^2)/(dx^2)(x^{8/9}+5x)

\frac{d ^{2}}{d x ^{2}} (x^{\frac{8}{9}} + 5 x)

- \frac{8}{81 x ^{\frac{10}{9}}}

Solution steps

\frac{d ^{2}}{d x ^{2}} (x^{\frac{8}{9}} + 5 x)

\frac{d}{d x} (x^{\frac{8}{9}} + 5 x) = \frac{8}{9 x ^{\frac{1}{9}}} + 5

= \frac{d}{d x} (\frac{8}{9 x ^{\frac{1}{9}}} + 5)

\frac{d}{d x} (\frac{8}{9 x ^{\frac{1}{9}}} + 5) = - \frac{8}{81 x ^{\frac{10}{9}}}

= - \frac{8}{81 x ^{\frac{10}{9}}}

\int_{3}^{\infty} \frac{1}{x} d x

\int_{0}^{4} (x^{2} - 4 x) d x

y = ln (- 7 x^{6})

\frac{\partial}{\partial x} (x 1 + y^{5})

(50, 5119), (80, 7219)

What is (d^2)/(dx^2)(x^{8/9}+5x) ?
The answer to (d^2)/(dx^2)(x^{8/9}+5x) is -8/(81x^{10/9)}