What is the derivative of 1/(sqrt(1+x^2)) ?

The derivative of 1/(sqrt(1+x^2)) is -x/((1+x^2)^{3/2)}

What is the first derivative of 1/(sqrt(1+x^2)) ?

The first derivative of 1/(sqrt(1+x^2)) is -x/((1+x^2)^{3/2)}

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derivative of

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

- \frac{x}{( 1 + x ^{2} ) ^{\frac{3}{2}}}

Solution steps

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

Apply exponent rule:

\frac{1}{a} = a^{- 1}

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

Apply the chain rule:

- \frac{1}{2 ( 1 + x ^{2} ) ^{\frac{3}{2}}} \frac{d}{d x} (1 + x^{2})

= - \frac{1}{2 ( 1 + x ^{2} ) ^{\frac{3}{2}}} \frac{d}{d x} (1 + x^{2})

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

= - \frac{1}{2 ( 1 + x ^{2} ) ^{\frac{3}{2}}} \cdot 2 x

Simplify

- \frac{1}{2 ( 1 + x ^{2} ) ^{\frac{3}{2}}} \cdot 2 x : - \frac{x}{( 1 + x ^{2} ) ^{\frac{3}{2}}}

= - \frac{x}{( 1 + x ^{2} ) ^{\frac{3}{2}}}

x \to 3 lim (\frac{- 4}{2 x - 5})

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

x y^{^{'}} = x y + 2 y

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

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

What is the derivative of 1/(sqrt(1+x^2)) ?
The derivative of 1/(sqrt(1+x^2)) is -x/((1+x^2)^{3/2)}
What is the first derivative of 1/(sqrt(1+x^2)) ?
The first derivative of 1/(sqrt(1+x^2)) is -x/((1+x^2)^{3/2)}