What is (\partial)/(\partial y)((12x)/(x+y)) ?

The answer to (\partial)/(\partial y)((12x)/(x+y)) is -(12x)/((x+y)^2)

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(\partial)/(\partial y)((12x)/(x+y))

\frac{\partial}{\partial y} (\frac{12 x}{x + y})

- \frac{12 x}{( x + y ) ^{2}}

Solution steps

\frac{\partial}{\partial y} (\frac{12 x}{x + y})

Treat

x

as a constant

Take the constant out:

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

= 12 x \frac{\partial}{\partial y} (\frac{1}{x + y})

Apply exponent rule:

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

= 12 x \frac{\partial}{\partial y} ((x + y)^{- 1})

Apply the chain rule:

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

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

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

= 12 x (- \frac{1}{( x + y ) ^{2}} \cdot 1)

Simplify

12 x (- \frac{1}{( x + y ) ^{2}} \cdot 1) : - \frac{12 x}{( x + y ) ^{2}}

= - \frac{12 x}{( x + y ) ^{2}}

\frac{d y}{d x} = y - 2

sin (3 x + 1)

x \to - 7 lim (- 13)

s (t) = \frac{1}{t + 1}

cos (e^{- x^{2}})

What is (\partial)/(\partial y)((12x)/(x+y)) ?
The answer to (\partial)/(\partial y)((12x)/(x+y)) is -(12x)/((x+y)^2)