What is the derivative of 1/((x^2+3)) ?

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

What is the first derivative of 1/((x^2+3)) ?

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

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derivative of

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

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

Solution steps

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

Apply exponent rule:

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

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

Apply the chain rule:

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

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

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

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

Simplify

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

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

\frac{1}{x lo g _{10} ( x )}

x^{3} - 3 x^{2}

sin (10 x) + cos (15 x)

x^{2} ∣ x ∣

sin (x \cdot 2 + 2 x + 3)

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