What is (d^2)/(dx^2)(sqrt(x^2+16)) ?

The answer to (d^2)/(dx^2)(sqrt(x^2+16)) is (16)/((x^2+16)sqrt(x^2+16))

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(d^2)/(dx^2)(sqrt(x^2+16))

\frac{d ^{2}}{d x ^{2}} (x^{2} + 16)

\frac{16}{( x ^{2} + 16 ) x ^{2} + 16}

Solution steps

\frac{d ^{2}}{d x ^{2}} (x^{2} + 16)

\frac{d}{d x} (x^{2} + 16) = \frac{x}{x ^{2} + 16}

= \frac{d}{d x} (\frac{x}{x ^{2} + 16})

\frac{d}{d x} (\frac{x}{x ^{2} + 16}) = \frac{16}{( x ^{2} + 16 ) x ^{2} + 16}

= \frac{16}{( x ^{2} + 16 ) x ^{2} + 16}

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

\int \frac{5 x ^{3} + 7 x}{x - 1} d x

\int \frac{1}{( x + 4 ) ( x - 4 )} d x

y = 2 x arccos (x) - 2 1 - x^{2}

n = 0 \sum \infty \frac{( n )}{n + 1}

What is (d^2)/(dx^2)(sqrt(x^2+16)) ?
The answer to (d^2)/(dx^2)(sqrt(x^2+16)) is (16)/((x^2+16)sqrt(x^2+16))