What is the derivative of-7/x ?

The derivative of-7/x is 7/(x^2)

What is the first derivative of-7/x ?

The first derivative of-7/x is 7/(x^2)

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derivative of

- \frac{7}{x}

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

Solution steps

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

Take the constant out:

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

= - 7 \frac{d}{d x} (\frac{1}{x})

Apply exponent rule:

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

= - 7 \frac{d}{d x} (x^{- 1})

Apply the Power Rule:

\frac{d}{d x} (x^{a}) = a \cdot x^{a - 1}

= - 7 (- 1 \cdot x^{- 1 - 1})

Simplify

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

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

x^{2} - 7 x

y = x, (1, 1)

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

x \to 0 lim (\frac{( 2 x ^{2} - 3 x )}{x})

3 \cdot (5 e^{- 5.06 s}) + 3 \cdot (2.26 \cdot 5 e^{- 5.06 s})