What is the derivative of (0.2x/(x^2+9)) ?

The derivative of (0.2x/(x^2+9)) is (0.2(-x^2+9))/((x^2+9)^2)

What is the first derivative of (0.2x/(x^2+9)) ?

The first derivative of (0.2x/(x^2+9)) is (0.2(-x^2+9))/((x^2+9)^2)

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\frac{d}{d x} (\frac{0.2 x}{x ^{2} + 9})

\frac{0.2 ( - x ^{2} + 9 )}{( x ^{2} + 9 ) ^{2}}

Solution steps

\frac{d}{d x} (\frac{0.2 x}{x ^{2} + 9})

Take the constant out:

(a \cdot f)^{'} = a \cdot f^{'}

= 0.2 \frac{d}{d x} (\frac{x}{x ^{2} + 9})

Apply the Quotient Rule:

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

= 0.2 \cdot \frac{\frac{d x}{d x} ( x ^{2} + 9 ) - \frac{d}{d x} ( x ^{2} + 9 ) x}{( x ^{2} + 9 ) ^{2}}

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

\frac{d}{d x} (x^{2} + 9) = 2 x

= 0.2 \cdot \frac{1 \cdot ( x ^{2} + 9 ) - 2 xx}{( x ^{2} + 9 ) ^{2}}

Simplify

0.2 \cdot \frac{1 \cdot ( x ^{2} + 9 ) - 2 xx}{( x ^{2} + 9 ) ^{2}} : \frac{0.2 ( - x ^{2} + 9 )}{( x ^{2} + 9 ) ^{2}}

= \frac{0.2 ( - x ^{2} + 9 )}{( x ^{2} + 9 ) ^{2}}

\int 1 - x^{9} d x

\frac{\partial}{\partial x} (- \frac{1}{x})

\int e^{x} cos (3 x) d x

n = 1 \sum \infty 5^{n} x^{n} n!

\frac{d}{d x} (7 e^{2 x^{4} - 3 x})

What is the derivative of (0.2x/(x^2+9)) ?
The derivative of (0.2x/(x^2+9)) is (0.2(-x^2+9))/((x^2+9)^2)
What is the first derivative of (0.2x/(x^2+9)) ?
The first derivative of (0.2x/(x^2+9)) is (0.2(-x^2+9))/((x^2+9)^2)