What is (\partial)/(\partial x)(n/(x+1)) ?

The answer to (\partial)/(\partial x)(n/(x+1)) is -n/((x+1)^2)

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(\partial)/(\partial x)(n/(x+1))

\frac{\partial}{\partial x} (\frac{n}{x + 1})

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

Solution steps

\frac{\partial}{\partial x} (\frac{n}{x + 1})

Take the constant out:

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

= n \frac{\partial}{\partial x} (\frac{1}{x + 1})

Apply exponent rule:

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

= n \frac{\partial}{\partial x} ((x + 1)^{- 1})

Apply the chain rule:

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

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

\frac{\partial}{\partial x} (x + 1) = 1

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

Simplify

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

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

What is (\partial)/(\partial x)(n/(x+1)) ?
The answer to (\partial)/(\partial x)(n/(x+1)) is -n/((x+1)^2)