What is (d^2)/(dx^2)(sqrt(1+x^2)) ?

The answer to (d^2)/(dx^2)(sqrt(1+x^2)) is 1/((1+x^2)sqrt(1+x^2))

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(d^2)/(dx^2)(sqrt(1+x^2))

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

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

Solution steps

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

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

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

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

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

f (x) = x + \frac{1}{x}, at x = 2

\frac{d}{d t} (\frac{3}{t})

h (x) = sin^{5} (x)

x^{2} - x + 2

\int \frac{3 a x ^{2} - 2 b x}{a x ^{3} - b x ^{2}} d x

What is (d^2)/(dx^2)(sqrt(1+x^2)) ?
The answer to (d^2)/(dx^2)(sqrt(1+x^2)) is 1/((1+x^2)sqrt(1+x^2))