What is (d^2)/(dx^2)(x^{6/7}+4x) ?

The answer to (d^2)/(dx^2)(x^{6/7}+4x) is -6/(49x^{8/7)}

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(d^2)/(dx^2)(x^{6/7}+4x)

\frac{d ^{2}}{d x ^{2}} (x^{\frac{6}{7}} + 4 x)

- \frac{6}{49 x ^{\frac{8}{7}}}

Solution steps

\frac{d ^{2}}{d x ^{2}} (x^{\frac{6}{7}} + 4 x)

\frac{d}{d x} (x^{\frac{6}{7}} + 4 x) = \frac{6}{7 x ^{\frac{1}{7}}} + 4

= \frac{d}{d x} (\frac{6}{7 x ^{\frac{1}{7}}} + 4)

\frac{d}{d x} (\frac{6}{7 x ^{\frac{1}{7}}} + 4) = - \frac{6}{49 x ^{\frac{8}{7}}}

= - \frac{6}{49 x ^{\frac{8}{7}}}

\frac{\partial}{\partial x} (k!)

\frac{d}{d x} (\frac{6}{1 + e ^{- x}})

\int_{1}^{6} \frac{x ^{2} + 4}{7 x - x ^{2}} d x

\frac{\partial}{\partial x} (yz ln (x))

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

What is (d^2)/(dx^2)(x^{6/7}+4x) ?
The answer to (d^2)/(dx^2)(x^{6/7}+4x) is -6/(49x^{8/7)}