What is (d^2)/(dx^2)(sqrt(x)+\sqrt[7]{x}) ?

The answer to (d^2)/(dx^2)(sqrt(x)+\sqrt[7]{x}) is -1/(4x^{3/2)}-6/(49x^{13/7)}

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(d^2)/(dx^2)(sqrt(x)+\sqrt[7]{x})

- \frac{1}{4 x ^{\frac{3}{2}}} - \frac{6}{49 x ^{\frac{13}{7}}}

Solution steps

= \frac{d}{d x} (\frac{1}{2 x} + \frac{1}{7 x ^{\frac{6}{7}}})

\frac{d}{d x} (\frac{1}{2 x} + \frac{1}{7 x ^{\frac{6}{7}}}) = - \frac{1}{4 x ^{\frac{3}{2}}} - \frac{6}{49 x ^{\frac{13}{7}}}

= - \frac{1}{4 x ^{\frac{3}{2}}} - \frac{6}{49 x ^{\frac{13}{7}}}

x \to 9 lim (\frac{3 - x}{9 x - x ^{2}})

\int \frac{1}{u ^{2} + 3} d u

\frac{d x}{d y} = \frac{y ^{3} - 3 x}{y}

n = 1 \sum \infty \frac{4}{2 n}

\frac{d ^{3}}{d x ^{3}} (\frac{6}{x ^{2}})

What is (d^2)/(dx^2)(sqrt(x)+\sqrt[7]{x}) ?
The answer to (d^2)/(dx^2)(sqrt(x)+\sqrt[7]{x}) is -1/(4x^{3/2)}-6/(49x^{13/7)}