What is the derivative of y=(7sqrt(x))/x ?

The derivative of y=(7sqrt(x))/x is -7/(2x^{3/2)}

What is the first derivative of y=(7sqrt(x))/x ?

The first derivative of y=(7sqrt(x))/x is -7/(2x^{3/2)}

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derivative of

y = \frac{7 x}{x}

- \frac{7}{2 x ^{\frac{3}{2}}}

Solution steps

\frac{d}{d x} (\frac{7 x}{x})

Take the constant out:

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

= 7 \frac{d}{d x} (\frac{x}{x})

Apply the Quotient Rule:

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

= 7 \cdot \frac{\frac{d}{d x} ( x ) x - \frac{d x}{d x} x}{x ^{2}}

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

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

= 7 \cdot \frac{\frac{1}{2 x} x - 1 \cdot x}{x ^{2}}

Simplify

7 \cdot \frac{\frac{1}{2 x} x - 1 \cdot x}{x ^{2}} : - \frac{7}{2 x ^{\frac{3}{2}}}

= - \frac{7}{2 x ^{\frac{3}{2}}}

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What is the derivative of y=(7sqrt(x))/x ?
The derivative of y=(7sqrt(x))/x is -7/(2x^{3/2)}
What is the first derivative of y=(7sqrt(x))/x ?
The first derivative of y=(7sqrt(x))/x is -7/(2x^{3/2)}