What is (\partial)/(\partial x)((-x-7y)/(y^2+6x^2)) ?

The answer to (\partial)/(\partial x)((-x-7y)/(y^2+6x^2)) is (-y^2+6x^2+84xy)/((y^2+6x^2)^2)

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(\partial)/(\partial x)((-x-7y)/(y^2+6x^2))

\frac{\partial}{\partial x} (\frac{- x - 7 y}{y ^{2} + 6 x ^{2}})

\frac{- y ^{2} + 6 x ^{2} + 84 x y}{( y ^{2} + 6 x ^{2} ) ^{2}}

Solution steps

\frac{\partial}{\partial x} (\frac{- x - 7 y}{y ^{2} + 6 x ^{2}})

Treat

y

as a constant

Apply the Quotient Rule:

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

= \frac{\frac{\partial}{\partial x} ( - x - 7 y ) ( y ^{2} + 6 x ^{2} ) - \frac{\partial}{\partial x} ( y ^{2} + 6 x ^{2} ) ( - x - 7 y )}{( y ^{2} + 6 x ^{2} ) ^{2}}

\frac{\partial}{\partial x} (- x - 7 y) = - 1

\frac{\partial}{\partial x} (y^{2} + 6 x^{2}) = 12 x

= \frac{( - 1 ) ( y ^{2} + 6 x ^{2} ) - 12 x ( - x - 7 y )}{( y ^{2} + 6 x ^{2} ) ^{2}}

Simplify

\frac{( - 1 ) ( y ^{2} + 6 x ^{2} ) - 12 x ( - x - 7 y )}{( y ^{2} + 6 x ^{2} ) ^{2}} : \frac{- y ^{2} + 6 x ^{2} + 84 x y}{( y ^{2} + 6 x ^{2} ) ^{2}}

= \frac{- y ^{2} + 6 x ^{2} + 84 x y}{( y ^{2} + 6 x ^{2} ) ^{2}}

\frac{d}{d x} ((3 x + 2 y)^{5})

\int_{0}^{4} \frac{5}{2 x + 1} d x

3^{t}

x \cdot cos (2 x)

lo g_{5} (x^{2} - 1)

What is (\partial)/(\partial x)((-x-7y)/(y^2+6x^2)) ?
The answer to (\partial)/(\partial x)((-x-7y)/(y^2+6x^2)) is (-y^2+6x^2+84xy)/((y^2+6x^2)^2)