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

The derivative of x/(sqrt(x^2+2)) is 2/((x^2+2)sqrt(x^2+2))

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

The first derivative of x/(sqrt(x^2+2)) is 2/((x^2+2)sqrt(x^2+2))

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

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

Solution steps

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

Apply the Quotient Rule:

(\frac{f}{g})^{'} = \frac{f ^{'} \cdot g - g ^{'} \cdot f}{g ^{2}}

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

\frac{d x}{d x} = 1

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

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

Simplify

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

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

\frac{1}{x} sin (x)

f (x) = x^{4} (3 - x)^{3}, at x = 1

\frac{12 x}{x ^{2} - 4}

\frac{d}{d x} (4 cos (x) + 4 x sin (x))

\frac{d}{d x} (\frac{sin ( 12 x )}{e ^{7 x}})

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