What is the derivative of x/(sqrt(x^2+16)) ?

The derivative of x/(sqrt(x^2+16)) is (16)/((x^2+16)sqrt(x^2+16))

What is the first derivative of x/(sqrt(x^2+16)) ?

The first derivative of x/(sqrt(x^2+16)) is (16)/((x^2+16)sqrt(x^2+16))

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

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

Solution steps

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

Apply the Quotient Rule:

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

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

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

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

= \frac{1 \cdot x ^{2} + 16 - \frac{x}{x ^{2} + 16} x}{( x ^{2} + 16 ) ^{2}}

Simplify

\frac{1 \cdot x ^{2} + 16 - \frac{x}{x ^{2} + 16} x}{( x ^{2} + 16 ) ^{2}} : \frac{16}{( x ^{2} + 16 ) x ^{2} + 16}

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

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What is the derivative of x/(sqrt(x^2+16)) ?
The derivative of x/(sqrt(x^2+16)) is (16)/((x^2+16)sqrt(x^2+16))
What is the first derivative of x/(sqrt(x^2+16)) ?
The first derivative of x/(sqrt(x^2+16)) is (16)/((x^2+16)sqrt(x^2+16))