What is (\partial)/(\partial x)(x^2+17.5xy-y^2) ?

The answer to (\partial)/(\partial x)(x^2+17.5xy-y^2) is 2x+17.5y

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(\partial)/(\partial x)(x^2+17.5xy-y^2)

\frac{\partial}{\partial x} (x^{2} + 17.5 x y - y^{2})

2 x + 17.5 y

Solution steps

\frac{\partial}{\partial x} (x^{2} + 17.5 x y - y^{2})

Treat

y

as a constant

Apply the Sum/Difference Rule:

(f \pm g)^{'} = f^{'} \pm g^{'}

= \frac{\partial}{\partial x} (x^{2}) + \frac{\partial}{\partial x} (17.5 x y) - \frac{\partial}{\partial x} (y^{2})

\frac{\partial}{\partial x} (x^{2}) = 2 x

\frac{\partial}{\partial x} (17.5 x y) = 17.5 y

\frac{\partial}{\partial x} (y^{2}) = 0

= 2 x + 17.5 y - 0

Simplify

= 2 x + 17.5 y

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What is (\partial)/(\partial x)(x^2+17.5xy-y^2) ?
The answer to (\partial)/(\partial x)(x^2+17.5xy-y^2) is 2x+17.5y